Sandia Energy > Programs > Electric Grid > Renewable Energy and Distributed Systems Integration > Staff Renewable and Distributed Energy Systems Program Staff Contact an expert within Sandia’s Renewable and Distributed Energy Systems Program. NamePositionE-MailPhoneSummer Ferreira, Ph.D.Manager, Renewable Energy and Distributed Systems Integrationsrferre@sandia.gov505-844-4864Jeewon Choi, Ph.D.Postdoctoral Appointeejeechoi@sandia.gov505-284-4170Rachid Darbali-Zamora, Ph.D.Principal Member, Technical Staffrdarbal@sandia.gov505-844-1660John Eddy, Ph.D.Principal Member, Technical Staffjpeddy@sandia.gov505-284-1642Jack Flicker, Ph.D.Principal Member, Technical Staffjdflick@sandia.gov505-284-6810Georgios Fragkos, Ph.D.Principal Member, Technical Staffgfragko@sandia.gov505-228-7587Brooke Marshall GarciaPrincipal Member, Technical Staffbmgarc@sandia.gov505-284-8358Nicholas GuruleSenior Member of Technical Staffnsgurul@sandia.gov505-850-5747Thad HainesSenior Member, Technical Staffjthaine@sandia.gov505-280-0950Clifford Hansen, Ph.D.Distinguished Member, Technical Staffcwhanse@sandia.gov505-284-1643Olga Hart, Ph.D.Principal Member, Technical Staffoehart@sandia.gov505-549-8868Keira ElliotMember of Technical Staffkehaski@sandia.gov505-844-3566Shamina Hossain-McKenzie, Ph.D.Principal Member, Technical Staffshossai@sandia.gov505-844-7554C. Birk Jones Ph.D.Principal Member, Technical Staffcbjones@sandia.gov505-844-9459Srinivasarao Kamala, Ph.D.Postdoctoral Appointeeskamala@sandia.gov505-844-8808Matthew Lave, Ph.D.Distinguished Member, Technical Staffmlave@sandia.gov925-294-4676Jorge A. Leon-Quiroga Ph.D.Senior Member of the Technical Staffjleonqu@sandia.gov505-845-8062Andrea MammoliPrincipal Member, Technical Staffaamammo@sandia.gov505-379-3129Emily MoogMember, Technical Staffermoog@sandia.gov505-844-9261Timotius OentungResearch and Development, Software and Engineeringtoentun@sandia.gov505-284-7691Ifeoma OnunkwoSenior Member, Technical Staffionunkw@sandia.gov505-284-3255Jimmy QuirozSenior Member, Technical Staffjequiro@sandia.gov505-284-5391Craig RodinePrincipal Member, Technical Staffcrrodin@sandia.gov505-218-0244Michael Ropp, Ph.D.Principal Member, Technical Staffmeropp@sandia.gov505-845-6576Amanda WachtelPrincipal Member, Technical Staffawachte@sandia.gov505-844-1962William F. ViningMember, Technical Staffwfvinin@sandia.gov505-917-9428 Support Staff NamePositionE-MailPhoneRoy LopezPrincipal Technologistroylope@sandia.gov505-284-3468Andrea Lynn ImrisekOffice Administrative Assistantalimris@sandia.gov505-845-8470 .