Employee Owners

Brian Blacka is a Project Executive and Team Lead at BranchPattern, where he manages a team of project managers overseeing sustainability certifications for large portfolio clients. With a passion for problem-solving and a drive to find the best solutions, Brian plays an integral role in guiding his team and clients toward achieving their sustainability goals. His background in engineering gives him a unique edge, particularly when it comes to interpreting drawings and commissioning mechanical systems.

Brian holds a Bachelor of Science in Civil and Environmental Engineering from the University of Pittsburgh and is a Certified Commissioning Authority (CxA), LEED AP BD+C, and ActiveScore AP. His expertise in sustainability certifications and his involvement with the USGBC Central Plains further fuel his commitment to pushing the boundaries of sustainable design. A highlight of his career has been contributing to a team responsible for a large portion of the LEED certifications being pursued globally, a testament to his impact in the field. With plans to earn his WELL AP certification, Brian continues to grow in his field, contributing to BranchPattern’s pioneering efforts in the sustainable building industry.

Outside of work, Brian’s adventurous spirit truly comes alive. An avid mountain biker and skier, Brian doesn’t let living in the Midwest limit his love for the great outdoors—he’s always on the hunt for new trails to tackle and slopes to conquer. His dedication to adventure mirrors the perseverance and leadership he honed as an Eagle Scout, qualities that have shaped both his personal and professional journeys. Whether navigating a challenging downhill course or leading a project team, Brian’s enthusiasm for overcoming obstacles and embracing new experiences drives him to excel in all areas of his life.

Carlos Kelly is a Building Performance Modeler at BranchPattern, where he’s dedicated to helping clients reduce their environmental footprint through innovative energy modeling. He approaches every project like a detective, thriving on unique challenges and transforming data into engaging stories—because to Carlos, sustainability should be anything but boring.

With a Bachelor of Arts in Architecture from Mexico's Valley University, Kelly has a solid foundation in design and sustainability principles. His credentials include Fitwel Ambassador, LEED AP BD+C, O+M, and ActiveScore AP. Actively involved with the Young Architects Forum and USGBC, Kelly became the youngest professional in Mexico to achieve his credentials and contributed to several first-in-region LEED certifications, giving him a broad understanding of diverse approaches to sustainability within the AEC industry. During his time in Mexico, Kelly also led the LEED Lab program at Monterrey Institute of Technology’s Guadalajara campus for two years. He sees this experience as a pivotal opportunity to pass the torch, helping to shape a new generation of professionals poised to lead the sustainability industry.

Carlos sets a high bar for himself, aiming to present at least one local, national, and international event each year. This year, he had the privilege of speaking at the ASHRAE International Decarbonization Conference in Madrid, where he presented the City of Boulder’s new headquarters project—a perfect fit for the conference’s focus on low-carbon strategies, blending passive and active systems. He also spoke at Build PGH 2023 about ESG at both the project and portfolio scale. For Carlos, presenting is more than just sharing knowledge; it’s about making connections, stepping out of the box, and seeing what others are doing. He’s grateful that BranchPattern supports and encourages Employee-Owners to seize such opportunities.

Known for lightening the mood with his jokes, Carlos brings a vibrant energy to his work environment. Always eager to earn new credentials and continually grow within the organization, he’s committed to supporting his peers. Guided by the philosophy, "Everything you do is something you chose not to do," Carlos is determined to make intentional, impactful choices in his career.

When he’s not at work, Carlos is all about the outdoors. Whether it’s dining on the terrace, grilling on the deck, reading at a picnic, or staying active with tennis, skimboarding, kayaking, or skateboarding, Carlos is up for anything that gets him outside. His hobbies include exploring new places, trying new things, diving into good books, and during the winter, indulging in more TV than he probably should. A fan of fresh food, his top favorite will always be mariscos, especially ceviche.

Erika Attebery is passionate about creating comfortable, efficient spaces that bring engineering to life. As a Mechanical Engineer at BranchPattern, she specializes in HVAC and plumbing design, ensuring that every building system she works on is optimized for both performance and sustainability. For Erika, it’s not just about designing systems; it’s about crafting solutions that truly impact the lives of those who rely on them every day.

With a Bachelor of Science in Mechanical Engineering and a Minor in Mathematics from the University of Nebraska–Lincoln, Erika brings a strong analytical approach to each project. Her technical expertise is complemented by her enthusiasm for collaboration, making her a valued team member who fosters meaningful relationships along the way. Whether tackling complex design challenges or fine-tuning details, Erika is dedicated to ensuring every space she works on feels just right.

Outside of work, Erika enjoys spending time with friends, family, and her two distinct German Shepherds—one black and one white. Their playful personalities bring joy to her life, and she loves taking them on walks and on adventures. Erika also enjoys reading, particularly romance and mystery novels, with vacations serving as the perfect opportunity to dive into a good book.

Erin Murman is a Finance Coordinator at BranchPattern, where she brings precision to billings and reporting. With a knack for numbers and a passion for problem-solving, Erin excels at balancing accounts and resolving complex reporting issues, ensuring accuracy and efficiency in all financial operations. Since joining BranchPattern in 2007, she has built strong, familial bonds with her colleagues, making her role all the more rewarding.

Erin holds a B.A. in Business Management from the University of South Dakota, which has provided her with a strong foundation for her role. One of her standout achievements was successfully transitioning BranchPattern from its old accounting platform to Deltek Vantagepoint during the height of the COVID-19 pandemic. Despite the challenges, she ensured a seamless data migration process, showcasing her determination and expertise.

Beyond her finance role, Erin's enthusiasm shifts to the volleyball court, where she cheers passionately for her Husker volleyball team. Her love for travel has taken her to 9 countries and 28 states, filling her life with rich experiences and cultural insights. Erin’s hobbies and interests highlight her dynamic and adventurous spirit, making her a vibrant part of the BranchPattern team.

Jessica Kampmeier is a Mechanical Engineer at BranchPattern, known for her relentless pursuit of excellence in every project she touches. Whether she’s designing mechanical or plumbing systems, her attention to detail ensures that each project is completed to the highest standards.

Holding a Bachelor of Science degree in Architectural Engineering from the University of Kansas, Jessica relishes the ever-evolving nature of her work, which keeps her on her toes and fuels her love for learning. Her commitment to excellence is highlighted by her achievement of earning her Professional Engineer (PE) license in Kansas while eight months pregnant—a true testament to her determination. As a dedicated member of ASHRAE and the Society of Women Engineers (SWE), Jessica is passionate about advancing her field and continually seeks opportunities for growth.

Beyond her engineering expertise, Jessica is deeply committed to making a positive impact in her community. She volunteers with Habitat for Humanity and the Red Cross, living by the belief that “everything happens for a reason,” and finding beauty in the growth that follows life’s challenges. Jessica is also a whiz with Excel coding, adding another layer of efficiency to her work.

Outside of work, Jessica finds joy in traveling, gardening, and creating things with her own hands. She’s passionate about exploring new cultures and sampling local cuisines, with Bali being the next destination on her travel list. When she’s at home, Jessica enjoys the satisfaction of nurturing her garden, where the taste of homegrown vegetables far surpasses anything store-bought. Her DIY projects include designing and building a chicken coop for her mom, crocheting, painting, and decorating cakes, but her proudest creation is her daughter.

Jon Brolhorst is the Electrical Quality Control Manager at BranchPattern, where his wealth of experience and passion for variety drive his success. Jon’s role is as dynamic as it is impactful; he thrives on the challenges that come with reviewing design drawings for QAQC and mentoring staff with insightful, experience-driven feedback. His expertise is a cornerstone for resolving complex project issues, guiding teams to achieve excellence across a diverse portfolio—from small tenant improvements to large-scale hospitals and data centers.

With an Associate degree in Architectural Engineering from Southeast Community College-Milford as his foundation, Jon has cultivated deep expertise in power and lighting design, code research, and specification creation. His knowledge and hands-on approach ensure that every project he touches is innovative and compliant, with meticulous attention to detail.

Outside the office, Jon finds joy in fostering kittens from the Kansas City Pet Project and nurturing his garden. His passion for home food canning and pickling, especially his popular dill pickles, is well-known among friends and family. Jon also takes pride in cultivating Missouri native plants and flowers, which support local habitats and promote biodiversity in his community.

Julia Wattick is a Registered Architect and the Materials Team Lead at BranchPattern, specializing in sustainable design with a focus on reducing embodied carbon and advancing material sustainability. Julia combines her expertise in architecture with a passion for creating solutions that improve environmental performance, enhance occupant well-being, and celebrate the unique stories of the communities she serves. She excels in integrating the built and natural environments to deliver innovative, client-focused results. 

In her role, Julia manages the Materials team, leads business development, and serves as a subject matter expert in sustainable materials and carbon accounting. Her team employs Life Cycle Assessment (LCA) methodology to measure and analyze the environmental impact of building materials, supporting clients in achieving meaningful sustainability outcomes. Known for her problem-solving skills and ability to distill complex challenges into clear, actionable plans, Julia inspires growth both within her team and the broader AEC industry. 

As a co-lead for the Pittsburgh HUB of the Carbon Leadership Forum and a member of its Regional Policy HUB, Julia is a recognized advocate for climate-conscious design. Her professional achievements include becoming a Registered Architect, earning her LEED AP credential, founding BranchPattern’s Materials Team, and becoming a sought-after speaker on embodied carbon in Pittsburgh. She has also led integrated design workshops for notable projects such as Cambridge Crossing and the Esplanade. 

Outside of work, Julia dedicates her time to community service with organizations like 412 Food Rescue and the Pittsburgh Food Bank. She is driven by a philosophy of continuous learning and collaboration, embracing the belief that while she may not have all the answers, she can always find them. Julia envisions a future where sustainable development meets the needs of today’s generation without compromising those of future generations, a goal she champions both professionally and personally.

Leading the LEED Volume team at BranchPattern, Katy brings the energy needed for running our at-scale LEED certification program. Her experience and leadership contributes to our clients’ portfolio level ESG achievements. But what truly sets Katy apart is her passion for sharing that expertise—not just as a leader, but as a mentor who’s dedicated to elevating her team and inspiring the next generation of green building professionals.

Katy graduated with a B.A. in Biology & Environmental Science from the University of San Diego in 2004 and was working at the Nature Conservancy when she volunteered for a Green Building Tour for Earth Day in 2005.  Intrigued, she started working for a small commercial TI contractor and got her LEED AP in 2007.  With LEED really gaining ground, she gained experience in LEED for Homes, Building Science testing, and participated in LEED Retail and LEED ND pilot programs.  Following this, Katy segued to the real estate sector, certifying existing office assets under LEED Operations and Maintenance.  Directly prior to joining BranchPattern, Katy worked on a large retail volume portfolio as well as complex institutional projects doing LEED BD+C.  All of this experience over the last 18 years has informed a breadth of experience in the built environment, and Katy has become a process champion for delivering clients' sustainability goals at scale.  

When she’s not navigating sustainability certifications, you might catch Katy singing along to the 90's country, possibly while line dancing, and getting in the water whenever she can for scuba and free diving.  Whether she's exploring new depths or charting new paths in sustainability, Katy's always on the lookout for her next adventure.

Kevin Campbell brings a bright energy and analytical edge to every project he touches. As an Energy Modeler at BranchPattern, he’s passionate about using his expertise to shape more efficient designs that leave a lasting impact. Whether it’s running iterative energy models, conducting operational carbon analysis, or diving into utility audits, Kevin’s work helps ensure buildings not only perform better but contribute to a greener future.

With a Bachelor of Science in Architectural Engineering from the University of Nebraska Omaha, Kevin pairs technical know-how with a love for problem-solving, making him a key player in optimizing project outcomes. His expertise has made a mark on major projects like the GSA Region II Energy Audit, National Grocery Chain Energy Audits, and the Xylem System Energy Performance Study, where his insights have guided better energy performance and cost savings.

But it’s not all about crunching data—Kevin’s competitive streak comes out in full force at the office ping pong table, where his lightning-fast reflexes and relentless spins make every game a showdown. For Kevin, it’s all about precision, whether it’s in a match or a model.

Lou Markovic is all about building better—both in design and in relationships. As Team Lead for Building Enclosures at BranchPattern, Lou leads the charge in providing Building Enclosure Commissioning (BECx) and Consulting services, helping clients create durable, high-performing buildings that are as impactful for people as they are for the planet. For Lou, the fun is in the details—he loves the technical challenge of figuring out how things fit together and how to make them work even better. Every day brings a new project, a new puzzle to solve, and that’s what keeps him energized.

Lou’s journey began with a B.A. in Architecture from the University of Minnesota, followed by a Master of Architecture from Clemson University, establishing a foundation for over two decades of architectural expertise. As a registered architect and Certified Passive House Consultant (CPHC), Lou brings a passion for sustainability and high-performance design to every project. Leading a project to achieve Passive House certification stands as a proud achievement, demonstrating his commitment to turning ambitious goals into tangible results. Lou thrives on collaboration, using his deep understanding of building science to help teams create innovative, energy-efficient buildings. In addition to his CPHC certification, he’s a Building Enclosure Commissioning Process Provider (BECxP) and an active member of the American Institute of Architects (AIA), always pushing for better, more sustainable solutions in the built environment.

Outside the office, you’ll find Lou guarding the net as an ice hockey goalie, a lifelong passion that’s been with him since childhood. Known for his quick reflexes and cool composure on the ice, Lou plays with the same determination and focus he brings to his work. Even after all these years, he still hits the rink twice a week, relishing the competition and camaraderie the sport offers. For Lou, it’s the perfect way to stay sharp, energized, and connected to a sport he loves.

Mike Galyardt’s guiding principle, "Continue to push for excellence in our design standards and challenge our clients to pursue sustainable systems and novel approaches to building design," defines his work as Mechanical Team Lead and Project Manager. Known for his dedication to project delivery and team advocacy, Mike ensures each project meets the highest standards while integrating sustainable, energy-conscious solutions. He excels at navigating complex technical challenges, pushing the boundaries of innovation in HVAC design, and collaborating closely with stakeholders and consultants. With a focus on human comfort and sustainability, Mike drives his team to exceed expectations, consistently challenging both himself and his clients to embrace cutting-edge, energy-efficient systems.

Mike holds a B.S. in Architectural Engineering from Kansas State University, a solid foundation that has supported his rise in the engineering field. His professional journey is marked by significant contributions to notable projects, such as the technical leadership in transforming an old sugar factory into an award-winning children's museum in the Houston suburbs and spearheading the HVAC design for a children's inpatient psychiatric hospital in the Kansas City metropolitan area. Additionally, he has played a pivotal role in the development of a highly sustainable municipal building for the City of Boulder. A member of ASHRAE and the Kansas City Area Healthcare Engineers (KCAHE), Mike is deeply involved in professional circles that advocate for advancing engineering standards and practices, especially in sustainability.

Outside of work, Mike finds joy in traveling and exploring new landscapes, often capturing his adventures through photography. An avid hiker, he loves immersing himself in the great outdoors, where he can appreciate the beauty of nature while staying active. Whether he's on a mountain trail or wandering through vibrant city streets, Mike's passion for discovery and connection with the environment enriches his life and inspires his professional endeavors.

Quinn Thakur is a Project Manager and Sustainability Consultant with a diverse background that enables her to approach projects from the perspectives of both design and construction teams. She earned her Bachelor's Degree in Interior Architecture (BIArch) from Chatham University and spent eight years working as an architectural designer on large commercial projects. Additionally, Quinn gained hands-on experience in the construction industry as a rigging grip in TV and film.

At BranchPattern, Quinn is known for her ability to bring clarity, organization, and energy to complex subjects. Her multifaceted viewpoint helps teams integrate sustainability into every aspect of their projects. She is an engaging speaker, having presented at Build PGH 2024, where she showcased her talent for making technical discussions dynamic and accessible.

Quinn holds several credentials, including LEED AP Neighborhood Development, Fitwel Ambassador, and ActiveScore AP. She also earned a certificate in Healthier Materials and Sustainable Buildings from Parsons School of Design. Actively involved in her professional community, she connects with organizations such as the USGBC’s National Capital Region and the Urban Land Institute, and she represents BranchPattern in the Fitwel Provider Program and Stewardship Committee. Passionate about mentorship, Quinn is dedicated to supporting the next generation of professionals.

Outside of work, Quinn enjoys photography, yoga, picnics, and watching historical documentaries. Her favorite aspect of her role at BranchPattern is the sense of community and the shared commitment to continually improving the built environment.

Robin Kozisek is the financial cornerstone of BranchPattern, ensuring every project is set up for success from the very start. As Finance Coordinator, she oversees project setup, contract verification, and the entire invoicing process with unwavering precision and expertise. Robin leads revenue forecasting efforts, guiding Project Executives through key financial steps to keep projects on track and maintain momentum. With nearly two decades at BranchPattern, she’s earned a reputation as a trusted financial strategist and problem-solver, providing the highest level of support to both internal teams and clients.

Robin holds a Bachelor of Arts in Business from Doane College and is a LEED Green Associate, underscoring her commitment to both business excellence and sustainability. Her organizational skills and ability to balance independent work with collaboration have been instrumental in BranchPattern’s growth and ongoing success.

Robin's personal passions reflect the discipline and focus she brings to her professional life. As a First Degree Black Belt in Taekwondo, she embodies perseverance and precision, applying the same dedication to her training as she does to her work. Beyond martial arts, her creative side shines through her past musical performances at weddings, showcasing her versatility and love for expression. Whether at work or in her personal pursuits, Robin is driven by a passion for growth and a commitment to excellence in all she does.

For Sean Butler, the secret to success is simple: “Do the hard thing first and make life easier for future Sean.” As a Senior Associate and Project Executive on BranchPattern’s Commissioning Team, Sean lives by this mantra, tackling challenges head-on so that every project runs seamlessly from start to finish. Whether guiding his team or mentoring new engineers, he believes in getting the toughest tasks out of the way early to pave the road for smooth, successful outcomes later.

Sean’s technical expertise, supported by a B.S. in Electrical Engineering from the University of North Dakota and an Associate’s degree in Computer Programming from Pittsburgh Technical Institute, allows him to dive into complex mechanical systems with confidence. As a Certified Commissioning Authority (CxA), Sean knows that addressing challenges early leads to efficient, high-performing systems down the line. And while he's focusing on the present, he’s also planning for the future—working toward accreditation from the Uptime Institute to expand BranchPattern’s reach in data center commissioning. Sean applies this same forward-thinking mindset to sustainability. In his work with Pittsburgh’s 2030 District, he focuses on reducing carbon emissions in existing buildings, knowing that the hard work done now will yield long-term environmental benefits. For Sean, every project is not just about immediate results but about laying the foundation for a more sustainable future.

When Sean’s not guiding projects, you’ll likely find him in the gym, pursuing his passion for competitive powerlifting. It’s in the weight room where Sean thrives, pushing himself to hit new personal records and overcome physical and mental barriers. For him, powerlifting is a way to continually challenge himself and build resilience—both qualities that mirror his approach to life and work. Sean also brings this philosophy to his community work, co-leading the stewardship committee at the Pittsburgh office. Through volunteer efforts with organizations like the Pittsburgh Food Bank, Habitat for Humanity, and TreePittsburgh, Sean is committed to building a better future, one step at a time.

Susan Thomas is on a mission to create lasting, sustainable change. As a Project Executive for LEED Volume projects at BranchPattern, she’s the driving force behind certification efforts, leading a talented team of Project Managers to ensure every project meets the highest environmental standards. With her deep expertise as a Sustainable Building Consultant, Susan partners with clients to navigate the complexities of LEED and other sustainability certifications, offering technical guidance every step of the way. Her work doesn’t just reshape spaces—it inspires the people she works with, proving that sustainable change can be both impactful and transformative.

With a Master of Science from the State University of New York College of Environmental Science and Forestry, Susan brings a wealth of knowledge in sustainable practices. She’s a powerhouse in LEED Certification Consulting and Material Transparency, and her credentials—LEED AP BD+C and Active Score AP—back it up. Susan has already spearheaded the certification of 16 LEED v4 Volume Projects, showing her unstoppable drive to create greener, more sustainable spaces. As a member of USGBC Washington, she’s constantly pushing the envelope in sustainable building, helping shape a better future for the environment and the people in it.

Susan’s talent extends beyond sustainability—she’s also an accomplished singer, trained in Indian classical (Carnatic & Hindustani) and Western classical music. Her passion for music infuses her work with creativity and flair, giving her a unique approach to problem-solving. Whether she’s leading a project or carrying a tune, Susan is all about hitting the right notes—both in her work and in her musical pursuits!

Tu Le believes that success comes from embracing new opportunities, and as an Electrical Engineer at BranchPattern, he’s always looking for the next chance to improve. Tu specializes in creating detailed electrical system designs and selecting equipment that enhances system performance. The constant evolution of the industry keeps him engaged, offering plenty of moments to learn and grow.

Tu holds a Bachelor of Science in Electrical and Computer Engineering from the University of Missouri-Kansas City, and while his technical expertise is key, his openness to collaboration and creativity is what drives him forward. He thrives on working with his team to explore new ideas and solve problems in innovative ways. Looking ahead, Tu is focused on earning his Professional Engineer (PE) license in the coming years. Always striving for growth, he knows that success comes from being ready to seize the right opportunities at the right time. His forward-thinking mindset keeps him on the path of continuous improvement, ensuring he’s prepared for whatever challenges come next.

Outside of work, Tu enjoys spending his free time working on cars, a passion he’s nurtured over the years. He’s currently restoring and building a 1973 Datsun 240z, a project that allows him to apply his problem-solving skills in a different, hands-on way. However, his greatest joy comes from spending quality time with his family. Together, they love exploring new restaurants and trying different types of food, always on the lookout for their next culinary adventure. Whether it's tinkering in the garage or discovering new flavors, Tu embraces each experience with curiosity and enthusiasm.