Sandia Energy > Programs > Electric Grid > Advanced Grid Modeling > Key Personnel Contact an expert within Sandia’s Advanced Grid Modeling Program. NamePositionE-mailPhoneBryan ArguelloSenior Member of Technical Staffbarguel@sandia.gov505-845-1114Joseph A. Azzolini, Ph.D.Senior Member of Technical Staffjazzoli@sandia.gov505-844-5321Michael Baca, Ph.D.Senior Member of Technical Staffmbaca2@sandia.gov505-284-8041Pedro Barba, Ph.D.Senior Member of Technical Staffpbarba@sandia.gov505-284-3209Logan BlakelySenior Member of Technical Stafflblakel@sandia.gov505-845-7827Raymond H. Byrne, Ph.D.Manager, Advanced Grid Modelingrhbyrne@sandia.gov505-844-8716Hyungjin Choi, Ph.D.Senior Member of Technical Staffhchoi@sandia.gov505-884-8604Ryan T. Elliott, Ph.DSenior Member of Technical Staffrtellio@sandia.gov505-844-8663James F. EllisonPrincipal Member of Technical Staff jelliso@sandia.gov505-610-2239Manuel Garcia, Ph.DSenior Member of Technical Staffmgarc19@sandia.gov505-249-1085Ross GuttromsonPrincipal Member of Technical Staffrguttro@sandia.gov505-284-6096Javier Hernandez-Alvidrez, Ph.D.Senior Member of Technical Staffjherna4@sandia.gov505-284-2274Mathew J. HoffmanPrincipal Member of Technical Staffmjhoffm@sandia.gov505-844-4195Ronald C. Matthews Jr., Ph.D.Senior Member of Technical Staffrcmatth@sandia.gov505-845-7608Samuel T. Ojetola, Ph.DSenior Member of Technical Staffsojetol@sandia.gov505-250-3208Brian J. Pierre, Ph.D.Principal Member of Technical Staffbjpierr@sandia.gov505-284-7955Matthew J. Reno, Ph.D.Principal Member of Technical Staffmjreno@sandia.gov505-844-3087David A. Schoenwald, Ph.D.Principal Member of Technical Staffdaschoe@sandia.gov505-284-6285Adam SummersSenior Member of Technical Staffasummer@sandia.gov505-284-4113Rodrigo D. Trevizan, Ph.D. Postdoctoral Appointeerdtrevi@sandia.gov505-384-2449Stephen J. Verzi, Ph.D. Distinguished Member of Technical Staffsjverzi@sandia.gov505-844-0063Amanda Wachtel Senior Member of Technical Staffawachte@sandia.gov505-844-1962