Our Team Our Team

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.
Jeff Ruppert, P.E.

Chief Executive Officer

Joe Villacci
Joe Villacci

Chief Operating Officer

Paul Gibb
Paul Gibb

Chief Financial Officer

SEI Professional Services Team

Jeff Tobe
Jeff Tobe

Project Manager & Lead Designer

Alejandro Cisneros
Alejandro Cisneros, MSc., P.Eng.

Project Manager & Lead Engineer

Jake Parz
Jake Parz

Electrical Engineer

Ahmed J Abdalla
Ahmed J Abdalla

PV System Designer, EIT

Cedric Gamble
Cedric Gamble

PV & Energy Storage Design

Phil Horwitch
Phil Horwitch

Civil Engineer

Jacob Boprie
Jacob Boprie

CAD Technician/Administrator

Doni Nicoll
Doni Nicoll

PV System Designer

Kyra Holt
Kyra Holt

Design & Production Modeling

Amy Scher
Amy Scher

Design & Production Modeling

Keith Hardt, P.E.
Keith Hardt, P.E.

Medium Voltage Engineer

Lucy Hunter, P.E.
Lucy Hunter, P.E.

Structural Engineer

Brian Mehalic
Brian Mehalic

Technical Advisor

Rebekah Hren
Rebekah Hren

Technical Advisor

Lena Wilensky
Lena Wilensky

PV & Energy Storage Design

David Del Vecchio
David Del Vecchio

Consulting & Inspection Services

Tom Honey
Tom Honey

Consulting & Inspection Services

Kelly Larson
Kelly Larson

Consulting & Inspection Services

Kris Sutton
Kris Sutton

Technical Advisor

Denise Massart
Denise Massart

Accounts Manager

Karo Fernandez
Karo Fernandez

Consulting & Inspection Services

Bill Brooks, P.E.
Bill Brooks, P.E.

Technical Advisor

Bill Hoffer, P.E.
Bill Hoffer, P.E.

Consulting & Inspection Services

Danny Bailey
Danny Bailey

Inspection Services

Garrison Riegel
Garrison Riegel

Inspection Services

Orion Thornton
Orion Thornton

Design & Inspection Services