The SEI Professional Services (SEIPS) team includes the solar industry’s top PV system designers, engineers, and technicians. Our team has over 550 years of combined solar and energy storage industry experience!
SEI Professional Services Leadership

Jeff Ruppert, P.E.
Principal

Joe Villacci
Principal
SEI Professional Services Team

Jeff Tobe
Sr. Design Engineer & Manager

Alejandro Cisneros, P.Eng., MSc.
Sr. Design Engineer & Manager

Vivian Crespo, P.E.
Electrical Engineer

Ahmed J Abdalla
Design Engineer, EIT

Cedric Gamble
Design Engineer

Martin Sanchez
Civil Engineer

Phil Horwitch
Civil Engineer

Jacob Boprie
CAD Technician/Administrator

Kyra Holt
Performance Engineer

Amy Scher
Performance Engineer

Keith Hardt, P.E.
Medium Voltage Engineer

Lucy Hunter, P.E.
Structural Engineer

Brian Mehalic
Technical Advisor

Rebekah Hren
Technical Advisor

Lena Wilensky
Design Engineer

David Del Vecchio
Consulting & Inspection Services

Tom Honey
Consulting & Inspection Services

Kelly Larson
Consulting & Inspection Services

Kris Sutton
Technical Advisor

Tammy Blanchette
Human Resources Administrator

Karo Fernandez
Consulting & Inspection Services

Danny Bailey
Inspection Services

Garrison Riegel
Inspection Services