Team Members

  • Andrew Baxter
    Andrew Baxter Co-Founder and CEO

    At the end of 2008 Andrew Baxter co-founded Sustainable Energy Solutions and has led the company to its current success. Prior to his work at SES, he spent two years at where he helped launch and grow a business to profitability in the education industry. Andrew's professional interests include energy, sustainability, education, and innovation. Andrew has a degree in Economics and Business from Brigham Young University and an MBA from Rice University with an emphasis in energy and entrepreneurship.

  • Matt Van Dyke
    Matt Van Dyke CFO

    Matt is a CPA with experience in fund-raising, tax strategy, M&A, and growth of early-stage companies. Matt has served as CFO for Hall Labs and its portfolio companies where he led exits in excess of $100M. Prior to Hall Labs, Matt worked for PwC in their tax department. Matt earned his masters’ in accountancy from Brigham Young University.

  • Dr. Larry Baxter
    Dr. Larry Baxter Co-Founder and CTO

    Dr. Larry Baxter is responsible for the technical direction and vision of SES. He has spent his entire career working with sustainability issues and combustion and is well respected for his expertise in this area. He is also a Professor of Chemical Engineering at Brigham Young University. He holds B.S. and Ph.D. degrees in Chemical Engineering and his research focus has been sustainable energy systems. Prior to joining the faculty at BYU, Dr. Baxter worked for fourteen years at Sandia National Laboratories’ Combustion Research Facility. He has written five chapters for books, edited four books, and authored over 70 archival journal publications.

  • Kyler Stitt
    Kyler Stitt Vice President, Engineering

    Kyler Stitt holds an M.S. in Management Science and Engineering from Stanford University and a B.S. in Mechanical Engineering from the University of Utah. At Stanford, he focused on the Energy and Environment track, as well as worked closely with the entrepreneurial community and the Stanford Technology Ventures Program. He has also worked with multiple startups and companies, focusing on research, design, and product and business development.

  • Dr. Dave Frankman
    Dr. Dave Frankman Senior Mechanical Engineer

    Dave holds a Ph.D. in Mechanical Engineering from Brigham Young University. His doctoral dissertation had an emphasis in heat transfer and thermodynamics. Dave has industry experience working for L-3 Fuzing and Ordnance where he focused in heat transfer, piezoelectric materials, and vibration engineering. Dave made the decision to change careers and work at Sustainable Energy Solutions in November of 2010.

  • Christopher Hoeger
    Christopher Hoeger Senior Chemical R&D Engineer

    With B.S. and M.S. degrees in Chemical Engineering from Brigham Young University and extensive laboratory experience, Christopher brings a strong technical background to Sustainable Energy Solutions. Christopher’s experience has been focused on system design, management, and experiment. Currently Christopher is working on detailed analysis and modeling at Sustainable Energy Solutions.

  • Stephanie Burt
    Stephanie Burt Chemical Engineer

    Stephanie began working with Sustainable Energy Solutions before the founding of the company in 2008. Currently, Stephanie is working on engineering drawings and thermodynamic modeling for further development and analysis of the Cryogenic Carbon CaptureTM process. Stephanie has worked in the Energy Industry since 2002 with both American and European firms where she has worked on projects aimed at improving the environmental impact of coal-fired power plants. Stephanie holds a B.S. degree in Chemical Engineering from Brigham Young University.

  • Aaron Sayre
    Aaron Sayre Manufacturing Engineer

    Aaron is passionate about engineering, system design, and prototyping. His roles at SES range from programming and CAD modeling to ASME welding in the prototyping shop and carbon capture experiments in the lab. At home Aaron is a tinkerer, roboticist, runner, and father. He earned his B.S. in Manufacturing Engineering Technology from Brigham Young University and did student research there for Boeing, Baker Hughes, and others.

  • Eric Mansfield
    Eric Mansfield Chemical Process Engineer

    Eric graduated from Brigham Young University with a B.S. degree in Chemical Engineering. His experience includes undergraduate research in molecular simulations and the development of computer models for paraffin extraction from black wax. Since joining SES in 2011, Eric has developed a specialized process simulator for modeling the Cryogenic Carbon CaptureTM and other related processes. He has also worked extensively in the design, construction, and testing of SES' small pilot demonstrations, with emphasis on industrial automation and control.

  • Skyler Chamberlain
    Skyler Chamberlain Mechanical Engineer

    Skyler earned a B.S. degree from Brigham Young University in Mechanical Engineering, graduating magna cum laude. Skyler also holds an M.S. degree from Brigham Young University in Mechanical Engineering, where he studied oxy-coal combustion, a carbon capture enabling technology. Skyler has focused on the thermal sciences and power generation throughout his academic career and also has a substantial amount of hands on design and manufacturing experience from research and work in industry.

  • Ethan Bever
    Ethan Bever Mechanical Engineer

    Ethan graduated from Brigham Young University with a B.S. degree in mechanical engineering. He joined SES in 2017 as an intern with prior experience working with gas expanders for power generation. In 2018 Ethan was brought on as a full time mechanical engineer to help design, assemble, and test our cryogenic carbon capture technology at on site locations. Ethan enjoys analyzing system performance data to provide creative engineering solutions to solve mechanical problems. When he’s not in the office, he is likely enjoying the outdoors on a bike or skis.

  • Jeff Duncan
    Jeff Duncan Intellectual Property

    Over 35 years as a patent attorney, helping companies of all sizes in building and managing IP portfolios, litigation, licensing to achieve business objectives. Adjunct Professor of Patent Law at the John Marshall Law School and lecturer on IP topics in the U.S., Europe and China. B.S. in Chemistry (1981) and J.D. (1984) from Brigham Young University.

  • Carl Belliston
    Carl Belliston Legal/Strategy

    Corporate attorney with over 30 years of experience in a variety of business law matters, including business structuring, financings, M&A, venture funding, business agreements, intellectual property matters, employment, and regulatory compliance. Holds a J.D. from the J. Reuben Clark Law School at Brigham Young University (1987) and a Ph.D. in Economics from the University of Utah (2004).


Thanks to all our interns, past and present, for their hard work.

To apply for an internship, please send your résumé to