We bring the magic of theatre to all

Trevor Tamashiro

Trevor Tamashiro, Executive Director

Trevor joined Diamond Head Theatre as Executive Director in April 2023. Born and raised in Hawaii, and a graduate of Punahou School, he brings nearly 20 years of experience in nonprofit executive leadership. Trevor started his journey in New York City working for Broadway Dance Center. Other positions include: Chief Advancement Officer of The Diller-Quaile School of Music; Deputy Director of Saratoga International Theater Institute; and Deputy/Program Director for The Drama League of New York. Trevor is a member of the Association of Fundraising Professionals and is a Certified Fund Raising Executive (CFRE).

He holds a degree in Theatre Arts from University of Miami, a Master of Business Administration degree from Pace University, and a Master of Science degree in Nonprofit Management from Columbia University.

John Rampage

John Rampage, Artistic Director

John Rampage is a performer, actor, choreographer, and director who has served as Diamond Head Theatre’s Artistic Director since 1995. He is the creative mastermind behind all of the theatre’s productions and programs, overseeing the curation of two or more shows each season and selects directors, musical directors, and set designers.

His relationship with the theatre began in 1975 where he performed as Tommy Gilas in the 1975 production of Music Man. In the 1980s, Rampage danced and sang his way across the U.S. and Europe and returned in 1991 as choreographer of Evita. More than 120 productions have been shared with the community under his oversight.

A 47-time Po‘okela Award winner for excellence in the theatre, John is also the recipient of the Hawaii State Theatre Council 2006 Pierre Bowman Award.


Dana Matlin
Business Manager &
Capital Campaign Coordinator
808.733-0277 (ext. 303)

Krysta Matsuno
Individual & Corporate Gifts Manager
808.733-0277 (ext. 306)

Erin McFadden
Director of Education
808.733-0277 (ext. 308)

Cheyne Nomura
Rochelle Uchibori
House Managers

Brando Cutts
Box Office & House Manager
808.733-0277 (ext. 310)

Jamie Martin
Assistant Box Office Manager
808.733-0277  (ext. 312)

Mary Meinel
Amy Sato
Rochelle Uchibori
Box Office Assistants

Emily Lane
Costume Coordinator
808.733-0277 (ext. 320)

Madison Gholston
Costume Production Associate
808.733-0277 (ext. 321)

Candy Dungca
Costume Technician
808.733-0277 (ext. 321)

Andrea Yoo
Box Office & Costume Shop Assistant
808.733-0277 (ext. 321)


Dawn Oshima
Technical Director
808.733-0277 (ext. 331)

Vincent Green
Assistant Technical Director
808.733-0277 (ext. 333)

Randy Tandal
Production Assistant
808.733-0277 (ext. 333)

Cameron Kalaukoa
Facilities Coordinator
808.733-0277 (ext. 304)



Colin Miwa

Trevor Bracher

Mike Ching

Matthew Pennaz

Jennifer Tanabe

Gabe Lee

Rick Chong

Board Members

Cathy Camp
Sidney C. L. Char
Wayne Chi
Rick Ching
Daniel Chun
Jennifer Diesman
Susan Eichor
Uson Y. Ewart
Elisia Flores
Dennis Francis
Candes Meijide Gentry
Kay Hampton
Randy Harris
Todd Iacovelli
Kat Lin-Hurtubise
Mariko Lyons
John Magauran, M.D.
Karyn Okada
David Okabe
Laurence Paxton
Nigel Pentland
Richard M. Rand
Paul M. Saito
Kelly Sanders
Dean Shigemura
Travis Tanaka
Sharen Wago
Indru Watumull
Carolyn A. Berry Wilson
Wendell J. Wo
Mark Wong
Vernon Wong