principals

Jeffrey H. Overton

Jeffrey H. Overton

AICP, LEED AP

Jeff Overton is a principal planner who oversees G70’s work on master plans, environmental impact studies and land use entitlements for private developments and government projects. Jeff specializes in gaining land use permitting approvals for a wide range of projects, many of which face challenging environmental and community issues.

With over 33 years of professional practice, Jeff has completed EIS and master plans for over 150 projects, including residential communities, resort complexes, commercial centers, school campuses, agricultural developments, parks and recreational facilities, harbors and coastal structures, scientific installations, utility-scale solar farms, infrastructure (highways, wastewater, electrical transmission), biofuel refineries, and transit-oriented development.

Jeff has led several award-winning projects (American Planning Association), including the Mauna Kea Science Reserve Master Plan, Kamakana Villages at Keahuolu, Waialua Town Master Plan, Kamehameha Schools North Shore Lands Master Plan (National APA Award), Hanauma Bay Nature Preserve, and Haleiwa Store Lots. Other significant projects include Hilton Hawaiian Village, Ho‘opili Community, West Hawaii Judiciary Complex, Makaiwa Hills, Kapolei West, Kapolei Harborside and Kalaeloa Barbers Point Harbor.

Jeff received his Bachelor of Science in Zoology from Duke University and Master of Environmental Science from The State University of New York at Stony Brook. He is certified by the American Institute of Certified Planners (AICP) and is a Leadership in Energy and Environmental Design (LEED) Accredited Professional. He is also a member of the Urban Land Institute and the Oahu Economic Development Board.

Jeff moved to Hawaii in 1988 and is married with two grown children. In his free time, he enjoys surfing, swimming, hiking, travel, wine and real estate projects.

other principals

Kellye Greco

Kellye Greco

IIDA, NCIDQ
Mark Tagawa

Mark Tagawa

AIA, LEED AP
Rene K. N. Matsumura

Rene K. N. Matsumura

D. Arch., AIA, LEED AP
Tracy Camuso

Tracy Camuso

AICP
Kawika McKeague

Kawika McKeague,Director of Cultural Planning

AICP
Ryan Char

Ryan Char

P.E., LEED AP
Craig Takahata

Craig Takahata

AIA
Ma Ry Kim

Ma Ry Kim

RIBA, ARB
Tom Young

Tom Young

MBA, AIA
Katherine M. MacNeil

Katherine M. MacNeil

AIA, LEED AP
Paul T. Matsuda

Paul T. Matsuda

P.E., LEED AP
Stephen H. Yuen

Stephen H. Yuen

AIA
James L. Stone

James L. Stone

D. Arch., AIA, LEED AP
Linda C. Miki

Linda C. Miki,Vice Chair, CEO

AIA
Charles Y. Kaneshiro

Charles Y. Kaneshiro,President / COO

AIA, LEED AP
Sheryl B. Seaman

Sheryl B. Seaman,Vice Chair

AIA, IIDA, LEED AP
Norman G.Y. Hong

Norman G.Y. Hong,Chairman

FAIA