WGBA Instructors
The WGBA contracts with instructors to teach courses who have demonstrated educational excellence and subject knowledge in the field.
David Hubka
David Hubka, LEED AP, holds a Bachelor of Science degree in mechanical engineering from the University of Wisconsin-
Milwaukee. David is the Sustainable Projects Manager at Transwestern where he guides every LEED project from conception to certification. He has worked on LEED for New Construction, LEED for Core & Shell, LEED for Existing Buildings, LEED for Existing Buildings: Operations & Maintenance, LEED for Commercial Interiors and LEED for Homes projects. He provides guidance to the HVAC, plumbing, electrical, fire protection, service and building automation divisions such that their respective LEED prerequisites and credits are achieved. He has worked on projects that have achieved silver, gold and platinum certification. David has prepared the commissioning manual for a 1.7 million square foot multi-use facility that achieved LEED for Existing Buildings Silver certification. Additionally, David has performed the energy simulation modeling as required by the LEED rating system. In addition to his full time job David also teaches private, and public, LEED training seminars to companies and associations around the country. David has taught LEED to engineers, architects, contractors, facility managers, developers, commercial real estate agents, building commissioners and equipment vendors. His classes are excellent resources for professionals at any career stage.
Farhan Khatri
Farhan Khatri is a registered Professional Engineer, LEED AP BD+C and a qualified commissioning agent. His speaking engagements include being a lecturer at University of Wisconsin-Madison for CEE 290, a class focused on integrated construction systems. He has also been a mentor for class CEE 578, a senior design project class. Other speaking engagements include; "Enhancing the Delivery of Healthcare-Through Sustainability and High Performance in the Built Environment" at The Nelson Institute of Environmental Studies and "Integrated Campus Planning to meet Owners Project Requirements" Presentation to Construction Engineering Management Club at University of Wisconsin-Madison. He is also the co-chair of education committee for Wisconsin Green Building Alliance (Wisconsin USGBC Affiliate).
His published work includes; Building Operating Management magazine; In progress, Energy Efficient Strategies for Hospital Design, Consulting – Specifying Engineer; December 2006, M/E Roundtable participation, Striking a Balance; Mass-Related Properties of Atomizers for direct-Injection SI Engines, SAE Technical Paper Series.
Farhan has worked in different roles in the construction and consulting industry. He has over 10 million square feet of design/commissioned projects experience, varying in different complexities, types and environments. He’s project portfolio includes; pharmaceutical, healthcare, research, commercial, industrial, higher education and State projects. These projects include local neighborhood to large international projects.
His experience over the years, working in different roles in consulting and construction industry, has given him a unique perspective and understanding of the architectural, engineering, development and construction industry. He provides consulting services in areas of commissioning, sustainability, education, energy analysis, energy optimization, and integrated design solutions.
Jessica Loeper
Jessica Loeper joined Leonardo Academy in 2008 from Southern California as a City Planner for the City of Anaheim bringing project 
management experience specializing in environmental programs and incentives for the community. Jessica earned a BA in Social and Behavioral Sciences from California State University, Monterey Bay, and a Master’s degree in Urban and Regional Planning from the University of California, Irvine.
Jessica is a LEED® Accredited Professional with her primary focus on LEED for Existing Buildings Operations and Maintenance. She also conducts certification application reviews for the US Green Building Council (USGBC). Jessica truly enjoys incorporating ways to bring sustainable practices from a concept to reality with the hope that it makes the community a healthier environment to live in.
Theresa Lehman
Dedicating her entire career to sustainable practice, Lehman has worked on more than 60 projects seeking LEED certification 
utilizing the LEED-NC, LEED-CI, LEED-CS, LEED-EBOM, and LEED for Schools green building rating systems. Projects that she has worked on have earned LEED certification at all four award levels including: Certified, Silver, Gold and Platinum. Her portfolio of LEED projects includes many “Wisconsin firsts” such as the first State of Wisconsin LEED certified project, the first LEED certified healthcare facility, the first LEED-EB certified schools, the first LEED for schools K-12 project and the first zero-net energy / carbon neutral project.
Lehman is a USGBC LEED Faculty member, and instructs various USGBC workshops throughout the world. She is actively involved as a volunteer at national, state and local levels. As a GLOBE Alliance partner, Theresa has attended the World Climate Summit and COP16, volunteers as a Congressional Advocate for USGBC and Environmental Defense Fund, has served on USGBC’s Curriculum Committee, developed LEED workshops, was identified as a Subject Matter Expert, thereby selected to be on the development team of the LEED AP exam, is currently volunteering as a Education Review Body, and has presented at USGBC’s International Greenbuild conferences. At a state level, Theresa is a member of Wisconsin Green Building Alliance (WGBA)’s Green Schools Advocacy Committee and locally co-chairs New North’s Sustainability Energy & Built Environment Subcommittee, serves on the Town of Menasha’s Sustainability Committee, serves as an advisor to integrate sustainability into the curriculum of UW Stout’s Construction Management program and Fox Valley Technical College’s Construction Management program, and co-leads Clayton Elementary School’s student EPACT team.
Jason LaFleur
Jason La Fleur works as a Regional Director for the Alliance for Environmental Sustainability (AES), a non-profit organization devoted to education and support for green homes. At AES, he directs education programs and helps project teams throughout the upper Midwest 
build third-party verified green homes that meet LEED and ENERGY STAR standards.
Additionally, he chairs the US Green Building Council (USGBC) Illinois chapter’s Residential Green Building committee. Jason speaks frequently on residential green building, and was the 2010 recipient of the USGBC Illinois chapter’s “Green Speak” Award.
Jason holds a Master’s in Education from the University of Illinois, and Prior to AES, he worked at the Appraisal Institute, developing education for real estate appraisers. He is currently an instructor for the Appraisal Institute’s green building courses.
Heather McCombs
Heather McCombs, LEED AP, is the Executive Director of Wisconsin Green Building Alliance. Before joining WGBA, McCombs was a professional residential and commercial Interior Designer in Wisconsin. McCombs has a BFA from California Institute of the Arts and an MS in Organizational Leadership and Development from Marian University. McCombs has lived all over the world and the United States which gives her the unique ability to understand the importance of multi-cultural systems within organizations. A big proponent of the new social responsibility surge in America's corporations, McCombs enjoys leading and teaching change management, sustainability, transparent governance, and "a culture of gratitude" in her current position.
