Carly RixhamCarly Rixham

Executive Director,

Carly joined ASES as executive director in June, 2014. She is a renewable energy professional with a diverse background in solar, biofuels, education and wastewater management. She received her master of science degree in ecology and evolutionary biology at the University of Colorado at Boulder where she researched microalgae for the production of bio-diesel and bio-ethanol. While studying in Boulder, Rixham served as director of arts and sciences at CU Energy, where she was instrumental in recruiting student involvement for events such as the Energy Frontiers conference. She has also taught biology and ecology at the university and high school levels. She also was a microbiologist at BioVantage Resources, culturing algae for bio-remediation of nutrients in wastewater. Prior to her renewable energy career, she worked in software development and customer support at Intuit.

Rixham served as a volunteer on several ASES membership and fundraising projects. She is passionate about nonprofit organizational development, and plans to take ASES into the next generation, reaffirming the organizations role as a leader in the renewable energy community. As solar energy gains success in the market place, Rixham is interested in pushing the solar agenda on a grassroots level. Dedicated to connecting science with the greater community of solar advocates, she is eager to support local chapters to help get real people involved in solar. She envisions a stronger connection with universities, as a way to recruit a new generation of professionals in renewable energy.

Tiffiny Harrower

Finance & Accounting Manager,

Lauren Harrower

Membership Manager and Data Analyst,

Lauren joined ASES as Membership Manager in December, 2014. She has spent the last few years studying Biology at Metropolitan State University of Denver, and is currently pursuing her Bachelor’s in Nursing at Denver School of Nursing. Lauren has worked various challenging professional jobs, but truly enjoys working with an organization with such dedicated staff and supporters, and inspiring vision. As a young person, Lauren was a member of her community Task Force and actively participated in service learning projects that focused on youth leadership and community outreach. Her time volunteering with like-minded individuals had a lasting impression. She is ecstatic to work for a non-profit organization in such an innovative industry, with such a strong history and supporters. In her free time, Lauren, like most Coloradan’s, enjoys being outdoors and staying active!

Simo YezrourSimo Yezrour

Development Manager Intern,

Simo joined ASES in September 2015 as a development manager intern. He comes all the way from France where he has been studying physical measurements and physics applied to energy. He obtained his associate degree in 2014 and is now completing his master degree in Renewable Energy. In addition to this, he speaks four languages, enjoys traveling as well as discovering new cultures and meeting new people. On his free time, he enjoys playing tennis, soccer or spending time with his friends.

Andy BoltonAndy Bolton


Andy joined ASES in July 2015 shortly after he did work on ASES’s SOLAR 2015 conference site. He currently serves as webmaster for and He has a degree in philosophy and does other work in the Denver area as a web developer.


Jeff BradleyJeff Bradley

Advertising, Sponsorships & Exhibits,

Jeff joined ASES in October of 2015 and brings over 20 years of sales and marketing experience in advertising, sponsorships and exhibits. Jeff previously has worked for hotel companies, convention & visitor bureaus, marketing firms that facilitated the largest tradeshows in the information technology market and most recently with the American Water Works Association. Jeff is advocate of consultative sales and looks forward to better understanding your needs and how ASES can be a marketing partner for your organization.

Jeff enjoys traveling, photography, skiing, cooking and volunteering at the Clyfford Still Art Museum in Denver.

Carly Rixham


Andy Bolton


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