iconThe HOMER Energy Team

The core team that developed the HOMER software at NREL migrated along with the software code to HOMER Energy. In addition, the team adds new professionals with experience in renewable energy, software development, management, marketing, and entrepreneurial ventures.



Analysis and Training

Software Development and IT

Peter Lilienthal

Peter Lilienthal, Ph.D., Chief Executive Officer

Dr. Peter Lilienthal is the original developer of the HOMER® software and founded HOMER Energy in 2009 to enhance and commercialize the software. He has a Ph.D. in Management Science and Engineering from Stanford University. Peter has been active in the field of renewable and distributed energy and energy efficiency since 1978. Before founding HOMER Energy, he was president of Green Island Power, which provided analytical services for renewable and distributed power projects. From 1990-2007 he was Senior Economist with the International Programs Office at the National Renewable Energy Laboratory. His experience has included project development of distributed power projects, designing and teaching courses at the university level, and consulting to industry and regulators. His technical expertise is in utility modeling and the economic and financial analysis of renewable and distributed power projects. He was the lead analyst and one of the creators of NREL’s International and Village Power Programs. [top]

Marilyn Walker

Marilyn Walker, Ph.D., Chief Operating Officer, Director of Academic Relations

Dr. Walker is a serial entrepreneur and experienced technologist. She started her career in academia, earning a Ph. D in Biology from the University of Colorado and publishing over 50 technical publications on modeling and environmental analysis. In the university setting, she raised over 12 million dollars to make her programs financially sustainable and gained valuable knowledge in the fields of software, databases, modeling, and analysis. After 20 years in academia, she became an entrepreneur by purchasing, managing, and selling a successful business, PlayFair Toys. She founded and built two e-commerce companies, and has led multiple international and multidisciplinary teams. Dr. Walker brings her unique, in-depth experience in environmental systems and business operations to her role as COO. [top]

Ed Sanders

Ed Sanders, Ph.D., Interim Chief Financial Officer and Consultant

Dr. Ed Sanders has over thirty years experience in economic and financial analysis in private companies and the U.S. Government. He has a Ph.D. in economics from Yale University and attended the Advanced Management Program at the Harvard Business School. His early career was in the President’s Office of Management and Budget (OMB) where he rose from a Budget Examiner in the International Division to become the Associate Director for National Security and International Affairs, directing a staff of 65, which made funding recommendations to the President on all defense, intelligence and international programs. He then became Staff Director on the U.S. Senate Foreign Relations Committee. After that he co-founded two international business consulting firms. While serving as President of Sanders International, he arranged most of the financing for a $60 million, 50 megawatt integrated gasification combined cycle (IGCC) power plant in India and has prepared business plans and investment proposals and recruited investors for numerous other smaller environmental and alternative energy projects. He is a founding partner in a 20-square-mile private nature preserve and ecotourism project in Belize and has taught the environmental finance course to Masters Degree students at the University of Denver. [top]

Howard Alt

Howard Alt, Software Project Manager and Team Lead

Howard Alt brings more than 20 years experience in software and systems to his position as the Software Project Manager at HOMER Energy. Over his career he has worked in businesses from startups to Fortune 500 as a software engineer, QA engineer, engineering manager, product manager, chief technologist, entrepreneur and CEO. [top]

Diane Dandeneau

Diane Dandeneau, Product Manager and Sales

Diane Dandeneau serves HOMER Energy in the role of Product Manager and Sales, helping to create and implement products and programs to expand the company’s ability to facilitate the growth of the microgrid industry. Diane brings 20 years’ experience leading her own company designing and delivering vertical market software. After selling her company, she delved into her passion for sustainable living and renewable energy by co-founding the Green Heart Institute, creating software and energy efficiency educational programs for communities. She served as the Director of Sales and Marketing for a leading solar integrator in Colorado and developed the first small financing program (mini-PPA) for Colorado non-profits. [top]

Laura Chiaramonti

Laura Chiaramonti, Outreach Specialist Intern

Laura supports the operations team at HOMER Energy serving as help desk support manager, social media intern, and renewable energy enthusiast. After receiving her B.S. in Creative Writing and Communications with an emphasis on poetry, and working in a diverse array of sales environments, she is currently pursuing a MA in Digital Marketing and New Media where she hopes to Tweet poems in 140 characters. Or make you laugh. When she doesn’t have her nose buried in a book, Laura enjoys ice skating and tinkering in her garden. [top]

John Glassmire

John Glassmire, Analysis and Consulting

John Glassmire is a globally-minded engineer who has worked across a wide-range of infrastructure projects. He has interests in sustainable design, renewable energy, project management, and international development. John’s undergraduate background is in mechanical engineering. After earning his BS from Rice University and his Masters from Northwestern University, he worked for 2 years at Sargent & Lundy, a major energy design and consulting firm in the US. Subsequently, John worked as a consultant in energy and water infrastructure at the Institute for Sustainable Futures in Sydney, Australia. [top]

Tom Lambert

Tom Lambert, Software Development

Tom Lambert has contributed to the design, programming, documentation, and technical support of HOMER for 13 years, having written the original source code. He worked for the National Renewable Energy Laboratory before joining HOMER Energy, and is also the CEO of Mistaya Engineering. He has a B.Sc. in Mechanical Engineering from the University of Alberta and an M.Sc. in Mechanical Engineering from Colorado State University. Tom is certified as a professional engineer in the province of Alberta, Canada. [top]

David Rinck

David Rinck, Renewable Energy Engineer/C++ Programmer

David Rinck develops the analytical tools and methods within HOMER’s modeling engine. A mechanical engineer and C++ programmer, David's research and professional experience in data analytics and controls ranges from projects in solar thermal concentration to critical care medical devices. He has a strong interest in renewable energy, micro-grids and their potential impact in the developing world. He received his Master's in Mechanical Engineering with a concentration in energy systems at Columbia University, where he worked with the Earth Institute's Millennium Villages project. [top]

Jonathan Awerbuch

Jonathan Awerbuch, Energy Engineer

Jonathan supports the software development team by maintaining the quality, accuracy, and documentation of new releases of the HOMER software. Jonathan received the A.B. in Engineering Sciences and the M.S. in Mechanical Engineering from Dartmouth College in 2007 and 2009 respectively. He received the M.Eng. from Yale University in 2010. His fervent interest in the impending energy/environmental meta-crisis motivated publications and research including power electronic and ultracapacitor systems to improve electric vehicle efficiency, photovoltaic performance in the presence of output ripple and noise, and energy efficient electrothermal deicers, particularly for commercial wind turbines. [top]

Nmuta Jones

Nmuta Jones, Software Engineer

Nmuta is a software engineer with over a decade of professional programming experience. His professional life has been dedicated to using technology as a vehicle for progressive social education. Nmuta was a co-founder of a technology high school in Philadelphia, PA, and has spent several years of his life helping to introduce inner city children to socially conscious video game and website development. Nmuta has spent the past few years focusing exclusively on Ruby on Rails website development and is the technical lead on HOMER Energy Rails based web development to support current and future software releases. [top]

Michael Woods

Michael Woods, Interface Developer

Michael is responsible for the design and coding of HOMER Energy’s software and website interfaces. Michael combines a background in art and design with decades of experience coding interactive, rich user interfaces. Michael's background includs web development and design, Flash programming, graphic design, multimedia, software test engineer, and hardware test technician. He has a B.S. in Fine Art from Bradley University and an A.A.S. in Electronics Engineering Technology from Illinois Central College. [top]