Directors and Staff

GK USA’s executive staff provides organizational leadership and support to its volunteers by facilitating interactions with GK Philippines and our beneficiary communities. Our team of volunteer platform directors provide mentorship and leadership in strategic fundraising and operational areas.

  • Maricel B. Villanueva, Executive Director
  • Mher Amante, Partner Services
  • Inoy Figueroa, Partnerships Director
  • Marilyn Bello, Finance Director
  • David Zarraga, Marketing Director
  • Josie Disterhoft, Director
  • Margarita Castro-Zarraga, Community Health Program Director
  • Carter Klein, General Counsel
  • Jo Quezon, Accountant
  • Armand Panganiban, IT & Technology

Area Coordinators

Our dedicated team of volunteer area coordinators work with local volunteers to organize fundraisers and community events, coordinate with sponsored beneficiary communities, and communicate with donors and supporters in their respective areas.

Capital & Northeast Regions

  • Ben Dichoso (Washington, DC)
  • Guia Caliwagan (Hampton, VA)
  • Rudy Bolipata (Richmond, VA)
  • Evita Florendo (Boston, MA)
  • Beth Ramirez (New York/New Jersey)
  • Shirley Domingo (New York/New Jersey)

North Central & South Central Regions

  • Herminio de Guia (Chicago, IL)
  • Ranel Sarmiento (Missouri)
  • Mark Jason Eulalia (Missouri)
  • Myrcia Hoppe (Oklahoma)
  • Alex Gutierrez (Texas)

West Pacific Region

  • Gloria Lilly (Alabama)
  • Tess Castro (Los Angeles, CA)
  • Lani Diamse (Orange County, CA)
  • Antonio Pascua (Santa Clarita, CA)
  • Rudy Mamaril (Antelope Valley, CA)
  • Tina Balch (San Diego, CA)
  • Tess Poling (Sacramento, CA)
  • Inoy Figueroa (North California)

Southeast & Southwest Regions

  • Roque Barrido (Tampa, FL)
  • Jun Domantay (Tampa, FL)
  • John Jarin (Miami, FL)
  • Francis de los Reyes (North Carolina)
  • Opoy Guevarra (North Carolina)
  • Louis Gosioco (Nevada)
  • Marlene Perez (Colorado)

Donate Now

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GK USA Board of Directors

Our board members come from diverse backgrounds, from finance and medicine to technology and education. Board members serve a term of three years.

  • Jose Raffinan, Jr., Chairman
  • Maricel B. Villanueva
  • Eustaquio Abay II
  • Primo Andres
  • Marilyn Bello
  • Carlos Capati
  • Wilfrido Feliciano
  • Jeff Hoppe
  • Anthony Olaes
  • Antonio Pascua
  • Sonny Ramirez
  • Carol Tulud
  • David Zarraga