About TriLateral Pacific Staff and Principals

Our staff and principals have more than 75 years of experience in the renewable energy industry. Whether you’re looking to integrate wind energy into your organization or you’re hoping to utilize solar energy for all your needs, you can count on us to help your company or organization achieve your goals. Learn more about us and get in touch to get started working with dedicated professionals including:

Donald O’Shei

Managing Director
TriLateral Pacific Group

Formerly:
CEO
Altarock Energy

COO
International Water Ltd.,
A Bechtel Company

Co-President and COO
Berkshire Hathaway Energy,
Formerly MidAmerican
Energy/Calenergy Company

Adrian Foley

Partner
Trilateral Pacific Group

Formerly:
Chief Business Development Officer
Altarock Energy

Vice President Marketing
Berkshire Hathaway Energy
Formerly MidAmerican Energy/Calenergy Company

Regional Director
Covanta Energy
Formerly Ogden Projects, Inc.,

Steve McArthur

Partner
TriLateral Pacific Group

Formerly:
Sr. VP and General Counsel
Altarock Energy

Sr. VP and General Counsel
Berkshire Hathaway Energy
Formerly MidAmerican Energy/Calenergy

Will Osborn

V.P. Operations
GeoLithic Corp.
One of the most experienced geochemists in the geothermal sector.

Formerly:
General Manager
CalEnergy
Minerals. First major mineral extraction effort.

V.P. Geothermal Technology Development
Altarock