Leadership

See a full list of our board of directors and senior leadership team.

Board of Directors

We’re most grateful for the board’s work on behalf of IOCC, and on behalf of all the people they help us serve. The IOCC Board of Directors is comprised of elected Orthodox Christian clergy and laity, who volunteer for this role and work with the blessings of the Assembly of Canonical Orthodox Bishops of the United States of America.

The board of directors governs the policies and operations of IOCC and oversees stewardship of the organization’s resources.

  • H. E. Metropolitan Nicolae of the Romanian Orthodox Metropolia of the Americas &
    Liaison Bishop to IOCC from the Assembly of Canonical Orthodox Bishops
    Chicago, IL
  • Jasmina T. Boulanger, Chairman of the Board
    San Clemente, CA
  • Frank B. Cerra, MD, Vice Chairman
    Edina, MN
  • Dimitri Zgourides, Treasurer
    Houston, TX
  • Gayle F. Malone, Secretary
    Wichita, KS
  • Kimberly Adams-Angelos
    Northfield, IL
  • Fr. Evan Armatas
    Fort Collins, CO
  • George Djurasovic
    Mequon, WI
  • Fr. Michael Ellias
    Brooklyn, NY
  • Lorraine F. George-Harik
    Stamford, CT
  • Panayiotis (Pano) Kanelos, PhD
    Austin, TX
  • Demetri Papacostas
    Bedford, NY
  • John V. Sobchak
    Philadelphia, PA
  • Mark D. Stavropoulos
    Troy, MI
  • Charles R. Ajalat (Founder)
    Los Angeles, CA
  • George M. Marcus
    Palo Alto, CA
  • †Andrew A. Athens (Founder)
    Chicago, IL
  • †George J. Farha, MD
    Wichita, KS
  • †John G. Rangos Sr. (Founder)
    Pittsburgh, PA

Senior Leadership

IOCC’s Executive Team, based in our Baltimore, Maryland, headquarters, establishes IOCC’s global vision and strategic plan, ensures the best stewardship of resources, aligns resources with strategy and operational plans, and leads the execution of programs.

Constantine M. Triantafilou, Executive Director & CEO
Executive Director & CEO

Constantine M. Triantafilou has been leading International Orthodox Christian Charities (IOCC) for over two decades. As Executive Director and CEO, he manages all facets of IOCC’s relief and development programs, including its international headquarters in Baltimore, Maryland, and 10 field offices in Africa, Europe, the Middle East, and the US.

In 1993, he joined IOCC as Commodities Manager in the former Yugoslavia. He became the organization’s Balkans Representative in 1995 and Director of Programs in 1997, before taking the helm in 1998. Under his leadership, IOCC has emergency assistance and development aid to families and communities in more than 60 countries across four continents. Read full bio for Constantine M. Triantafilou

Chief Financial and Administrative Officer

Tammy joined IOCC in 1996 as an accounting manager in our headquarters in Baltimore. She was promoted to Director of Finance in 2003 and to Chief Financial Officer in 2007 before finally becoming Chief Financial and Administrative Officer in 2014. Read full bio for Tamara D. Segall

Director of Communications

Originally from Baltimore, Maryland, Jon Guidera joined IOCC in 2023 as Director of Communications, based in headquarters. In that role, he leads the organization’s overarching communications strategy and supports operations across country offices as part of IOCC’s Executive Team.

Jon is a graduate of University of Maryland, College Park, and holds a bachelor of science in advertising design. He has decades of experience leading integrated marketing campaigns for diverse clients, including initiatives for international, national, and local companies, as well as a host of faith-based nonprofits. He is a member of the board of advisers for Believe Big, a Baltimore-based nonprofit that helps patients face, fight, and overcome cancer. Jon lives in greater Baltimore with his wife, who also works in the nonprofit world.