2026 Board of Directors

Aaron Presberg, Interim President (After Steeledan Cortes Stepped Down)

Aaron is a Senior Energy & Climate Coach with Stillwater Energy, where he provides technical assistance to commercial building owners through Strategic Energy Management (SEM) programs and Clean Buildings Accelerators with goals to save energy, cut utility costs, decarbonize, and help with Clean Building Performance Standard compliance. Prior to working at Stillwater, he spent a decade leading the Energy & Sustainability program at Portland Public Schools with a mission to achieve energy savings and reach net zero emissions by 2040. He oversaw a portfolio with 10 million square feet across 100+ buildings and a $15 million annual utility budget and implemented the District's first decarbonization roadmap. Prior to PPS, he served for AmeriCorps in the CivicSpark program, working on sustainability projects for an affordable housing agency in Ventura, CA. Aaron has a BS in Social Sciences/Sustainability with a minor in Business from Cal Poly San Luis Obispo. In his spare time, he enjoys hiking, playing drums in a local band, and riding his bike around Portland.

Katie Roessler, Vice President

Katie is currently a Senior Engineer at Cascade Energy. She has over nine years of experience in industrial manufacturing as well as energy efficiency. Her career began in the paper industry at Georgia-Pacific, managing large capital projects in support of manufacturing operations across the US. Additionally, she has been a program delivery contractor for several Pacific Northwest utility energy efficiency programs at Cascade Energy and Energy 350. Katie has a Bachelor of Science in Mechanical Engineering from the University of Wisconsin – Madison and is a licensed Professional Engineer in the state of Oregon.

 Throughout her career, Katie has worked in a variety of roles and has gotten the opportunity to work with diverse perspectives. She’s worked with boiler experts, apple farmers, utility program managers, HVAC contractors, maintenance staff, building managers, and more. Katie has enjoyed getting to know each individual and to help them excel at their role in advancing energy efficiency. She is a strong advocate for collaborative problem-solving and enjoys getting the opportunity to learn from her colleagues.

Mia Hocking, Secretary

Mia Hocking works for the Hillsboro School District as the Resource Conservation Manager. She started her career with HSD in 2010 and has served this role since 2018. Energy and resource Management is a relatively new career path, but has certainly complimented her professional skills and experience with building operations and maintenance. 

Recently, Mia has earned her Associates of Applied Science degree in building control systems and earned her status as a Certified Energy Manager through the Association of Energy Engineers. Finding ways to ensure our public schools buildings are performing efficiently ensures HSD is providing healthy learning experiences. Supporting our public schools in this capacity is important work for our students, staff and community. 



Matt Lichtenfels, Treasurer

Matt Lichtenfels is the Energy and Resource Conservation Program Manager for the Beaverton School District. Matt’s prior energy experience came as an energy consultant for U.S. Naval Bases throughout the country and locally most notably a consultant with Governor’s ‘Cool Schools’ program.

Working with local schools on energy drove Matt to where he is now with the District. Working to save energy and money that can otherwise be used to support our education programs has been extremely appealing and rewarding. The added benefit of engaging with students, teachers, principals, parents and the greater community on everything energy efficiency and sustainability has been truly inspiring.

Matt also has over 10 years’ experience as an environmental and industrial hygiene consultant, specializing in indoor air quality assessments. Matt has served on workplace sustainability and safety committees and served on Portland BOMA’s Sustainability Committee. He is also an avid cyclist as has been known to bike commute SE Portland to the District office in Beaverton

Daniel Shaw, Chief Information Officer (CIO)

Daniel was born and raised in Bend Oregon, loves the outdoors, and is an avid hiker, camper, and adventure seeker. Daniel graduated Cum Laude with a B.S. in Energy Systems Engineering and a Minor in Business and Entrepreneurship from Oregon State Cascades in 2014 and has spent the last 10.5 years working for the Energy Services Company (ESCO) McKinstry, specializing in energy audits, energy modeling, energy incentives, facility condition assessments, and measurement & verification of energy savings. Daniel’s work has provided beneficial, accurate, and effective energy solutions for clients in commercial, K-12, higher education, data centers, health care, government, and municipal markets all across the PNW.

Daniel is passionate about new energy efficiency technologies, energy generation/distribution, solar PV, mircogrids, and energy storage technologies. Fun Facts: Daniel is an identical mirror twin, plays the trumpet, was awarded his Eagle Scout from the Boy Scouts of America (BSA) in 2009, and his senior OSU CAPSTONE project team was awarded the 2014 APEM Student Project of the Year.

Kat Murphy, Assistant Secretary

Kat Murphy is a Project Engineer with Samson, a global leader in control valve technology.   She brings experience in flow control solutions and technical project management across energy and industrial applications. Her work supports energy-efficient operations by optimizing system precision, reliability, and sustainability.  She is passionate about advancing APEM Oregon's mission by promoting innovation, knowledge-sharing, and cross-industry collaboration to drive responsibly energy management and environmental stewardship. She believes in building a community where professionals can learn from one another while tackling the complex challenges of changing landscape. After nearly two years In Oregon, she continues to find inspiration in the outdoors- rock climbing, skiing, running, and paddle boarding whenever she gets the chance.


Alex Inman

Alex Inman has more than 12 years of experience in the energy efficiency and demand-side management field. He has worked with residential, multi-family, commercial, and industrial clients, guiding them to identify and implement energy savings opportunities. Alex has served in technical, customer outreach, program design, and program management roles under several utility programs nationwide. Previous roles also include acting as a subject matter expert in data center efficiency programs and clean buildings standards laws affecting large commercial building owners. Currently, Alex is the principal of A Inman Consulting, LLC, providing clients with energy efficiency consulting, and roadmaps to comply with state and local energy performance standards, all while reducing their carbon footprint, reducing their energy costs, and improving their resilience and bottom line.

Ashley King

Ashley King is a Program Coordinator in the Energy Resources department at Clark Public Utilities, supporting clean energy and efficiency programs and serving on the strategic energy management team for the Utility.  When she’s not at the Utility, she’s trying to figure out where she can squeeze another plant into her native garden, hitting the hiking trails, or volunteering at the Oregon Museum of Science and Industry.  Ashley holds a BA from Wake Forest University and an MS in Ecology from the University of Montana.



Blake Standen

With an extensive background in smart buildings, technical sales, and commercial energy efficiency, Blake Standen is a seasoned subject matter expert (SME) in HVAC and controls. Over the course of more than 15 years, Blake has amassed valuable experience in energy efficiency consulting, technical sales, management, business development, and the implementation of Analytics and Controls solutions, as well as Smart Buildings solutions.

Blake excels in client interactions and possesses a sales-driven mindset, consistently prioritizing the needs and goals of clients. Demonstrating exceptional leadership capabilities, Blake has successfully led teams of subject matter experts while effectively managing profit and loss (P&L) responsibilities.

Notably, Blake is deeply passionate about critical industry issues, including decarbonization, energy efficiency, and the advancement of smart buildings. This passion is coupled with a strong commitment to team development, contributing to the cultivation of high-performing teams.

Brian Goldcrump

Brian Goldcrump is an Associate Principal in McKinstry’s Engineering department, where he leads decarbonization planning efforts with clients across the public and private sectors. Brian has 15 years of industry experience as an engineering consultant, primarily focusing on energy modeling and carbon analysis, as well as some mechanical design. He has lived in Portland for over 10 years, during which time he has worked with owners in new construction, existing buildings, and campuses to increase energy efficiency and reduce carbon emissions. In addition to his technical role in decarbonization, he spends his time thinking about and reading about energy policy. Outside of work he loves romping around the PNW with his wife Becky and two dogs Bailey and Buddha. He enjoys mountain biking, video games, playing ice hockey, and having full conversations via movie quotes.

Cass Blum

Cass joined the Oregon APEM board in Jan 2026 as a Student Board Member and recently graduated with her bachelor’s degree in electrical engineering from Portland State University. Cass is now an Electrical SCADA/Studies Engineer at WSP Global Inc. and is working on local substations in the Portland area.

David O’Longaigh

David O’Longaigh is an Engineering Manager at the City of Portland. He works to bring about emissions reduction and clean energy efficiency to the City’s Facilities, Fleet and Operations, and implement climate response within City policy and programs. David also believes in the triple bottom line balance of people, planet and prosperity and bringing about a sustainable future where nature and people can thrive together on a regenerated planet.

Matt Martinez

Matt Martinez (he/him) is a Senior Energy Engineer at Energy 350 in Portland, OR. Matt grew up in Molalla, OR, attended the University of Oregon, and graduated from Portland State University with a B.S. in Mechanical Engineering. Between college stints, he enlisted in the U.S. Army as a combat engineer, where he served one year in Afghanistan and earned the Parachutist Badge and the Combat Action Badge. After receiving his degree, Matt spent five years at ACCO Engineered Systems, where he served as a Design Engineer, and later Lead Design Engineer, for data centers, laboratories, commercial buildings, and residential high-rises. Exposure to conservation elements like LEED, the Clean Building Act, and California's Title 24 lead Matt in the direction of energy efficiency as a career. He is now involved in custom studies and Strategic Energy Management (SEM) programs for several utility providers in the Pacific Northwest and British Columbia. For fun, Matt enjoys bicycling, backpacking, trying new restaurants, and learning the guitar.

Regan Cronin

Regan is a Senior Engineer at Cascade Energy with deep experience performing technical energy analyses for complex industrial clients across both utility and corporate-direct programs. At work, she enjoys mentoring and developing engineering talent, streamlining workflows, and—of course—getting lost in a spreadsheet. Outside of work, you’ll usually find her hiking, camping, enjoying great food, or petting dogs. Regan studied chemical engineering at Oregon State University and has been a registered Professional Engineer in Oregon since 2022

Sebastian Webber

Sebastian Weber is one of the Major Accounts Managers at NW Natural. He grew up in Oregon City, Oregon before getting his degree in Mathematics from the College of Wooster in Ohio. After College he spent a few years living in Atlanta, Georgia as an Energy Procurement Analyst for globally recognized consulting firm Accenture. It was here that Sebastian honed his passion for numbers, people, and energy. During the COVID-19 event, Sebastian returned to Oregon and was hired to work at NW Natural as a Strategy Analyst before moving to his current role as Major Account Manager. He predominantly works with Education, Metals, Glass, Stone, Clay, and Manufacturing segments. He supports customers efforts to enhance their energy efficiency, save on utility spending, and connect them to resources around the state for better energy management. Sebastian has always been a people first kind of analyst, believing that when given good information and support, people will make the best decisions for their businesses and the environment. In his free time, Sebastian runs around North Portland (and recently finished his first Marathon), hangs out with his beloved spouse, and nerds out on a variety of topics.