Our Team

Marco Mangelsdorf

Supervising Electrician (ES-10121)

Dr. Marco Mangelsdorf received his Ph.D. from the University of California.  He has been in the solar energy and renewable energy field since 1978, working on projects, presenting papers and attending energy conferences and trade shows in North America, Hawaii, Europe and Asia.  Since 2000 he has been with ProVision Solar, Inc. based in Hawaii, purchasing the company from Hawaiian Electric Industries in 2003.  He holds a C-13 electrical contracting license and is a licensed Supervising Electrician.  He has authored numerous articles on energy since the 1980s and is a regular contributor on Think Tech Hawaii.  In October 2012 he testified in Washington, D.C. before the U.S. International Trade Commission.  He has also taught on the politics of energy at the University of Hawaii and University of California.

Management & Office Staff

Douglas Bath

Senior Technician

Emily Ebert

Operations Manager / Office Manager

Kim Keahiolalo

Sales and Marketing Manager

Keaka Nelson

Design / Service Manager
Electrical Journeyman (EJ-10152)

Jack Bowman

Warehouse Supervisor

Ivan Gomez

Service Technician

Rana Rodillas

Office Assistant


Chris Tagalicud

Installation Technician

Houston Aki

Electrical Journeyman (EJ 10667)

Jayson Kubojiri

Installation Technician

Matt Kleinfelder

Installation Manager
Electrical Journeyman (EJ-10814)

Robert Boggess

Installation Technician


Katie Burgess

Solar Professional

Art Russel

Consulting Electrical Engineer
P.E. (PE-11449)

Herman Goldman

Energy Efficiency Specialist
Electrical Journeyman (EJ-10506)

Ray Keuning

Consulting Structural Civil Engineer
P.E. (PE-1803)

Walter Enomoto

Maui-based consultant to ProVision