Don is a seasoned technology veteran who has worked in the photonics industry for over twenty-four years. He worked for AT&T Bell Labs designing fiber optic systems. Don co-founded and managed the R&D for the optical amplifier division of JDS Uniphase. He started a consulting company, Light Systems Associates, and while working with AT&T Labs, developed his skills in solar energy systems engineering and design.

Don has been formally trained in PV systems by Solar Energy International (the leader in solar energy training). He holds a BS in Electrical Engineering from the University of Michigan, a MS in Optics from the University of Rochester, and a MBA from Columbia University. He holds seven patents and actively contributes to the solar energy research and development community. He is a certified solar PV installer by the North American Board of Energy Practitioners (NABCEP).

Prior to joining Alder Energy Systems in early 2014, Craig Knowlton worked as the Inside Sales Manager at RGS Energy, a nationwide solar integrator based in Louisville, CO. After three years living along the Rocky Mountains, he returned to sunny Charleston with his family, committed to providing economically and environmentally sustainable electricity solutions across South Carolina. Craig’s experience extends beyond alternative energy, having worked as Educational Sales Manager for Sylvan Dell Publishing in Mount Pleasant and as an Adjunct Professor at College of Charleston and Trident Technical College.

Craig holds a MA in English from College of Charleston & The Citadel as well as a BA from Kenyon College.

Jarrett oversees the EPC and construction operations for Alder Energy Systems.  As a twenty-year veteran of the construction contracting industry, Jarrett has participated in a diverse portfolio of projects.  He holds his general contracting license, and is certified by CMAA (accredited by ANSI) as a Certified Construction Manager (CCM).  Over his career, Jarrett has helped lead projects in commercial, industrial, and energy generation.

Jarrett began working on energy generation projects as an employee with SCE&G.   Prior to joining Alder Energy, he was responsible for planning and delivering over 30 MW of commercial and utility community solar projects.  As a Project Director, Jarrett was responsible for multiple capital project portfolio.

Along with his extensive construction and renewable experience, Jarrett sits on the board of the SC Solar Business Alliance, is a member of the South Carolina Wildlife Federation and coached Girls on the Run.