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

Kyra Holt
Kyra Holt

Director of Engineering

Rebekah Hren
Rebekah Hren

Senior Technical Advisor

Brian Mehalic
Brian Mehalic

Senior Technical Advisor

Kris Sutton
Kris Sutton

Senior Technical Advisor

Paul Gibb
Paul Gibb

Chief Financial Officer

Chris Turek
Chris Turek

Director of Marketing and Communications

SEI Professional Services Team

Hailey Reeves
Hailey Reeves

Design Services

Amy Scher
Amy Scher

Design Services

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

Senior Technical Advisor

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

Design and Field Services

Danny Bailey
Danny Bailey

Field Services

David Del Vecchio
David Del Vecchio

Design and Field Services

Denise Massart
Denise Massart

Accounts Manager

Garrison Riegel
Garrison Riegel

Field Services

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

Medium Voltage Engineer

Jay Pozner
Jay Pozer

Field Services

Jeff Tobe
Jeff Tobe

Lead Designer

Justine Sanchez
Justine Sanchez

Design Services

Jimmy Thompson
Jimmy Thompson

Design Services

Kelly Larson
Kelly Larson

Design and Field Services

Karo Fernandez
Karo Fernandez

Design and Field Services/Latin America

Lena Wilensky
Lena Wilensky

Design and Field Services

Marla Korpar
Marla Korpar

Environmental Compliance Senior Advisor

Orion Thornton
Orion Thornton

Design and Field Services

Roger Williams
Roger Williams

Design and Field Services

Tom Honey
Tom Honey

Field Services

Will White
Will White

Design and Field Services