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Our Team

GDG USA / Our Team / Directors

Geoff Armstrong


Geoff is an experienced Director and qualified Consultant. Geoff has over thirty years consulting experience within corporate, not for profit and Christian ministry sectors, advising on organisational structure, strategic direction and corporate governance. Since being a founder of Global Development Group in late 2002, Geoff’s strong emphasis on financial growth, accountability and continuous improvement has seen the organisation greatly expand

Colin Armstrong

Treasurer, BSc

Colin Armstrong holds a Bachelor’s Degree in Education. He taught Math and Science in private school, but spent most of his career in the chemical/pharmaceutical production industry. He has worked for facilities in Australia and the USA as QC Chemist, Production Specialist, and Supervisor/Manager. Colin retired in 2002. He has served on the Board of GDG USA since its inception and works as a volunteer in the office for GDG USA, serving as Treasurer.

Howard Vander Griend

Board Member

Howard VanderGriend is a graduate of Kuyper College holding a Bachelor’s degree in Religious Education and has a Master’s degree from Lee University in Mental Health counseling. He currently works at a Crisis Mental Health Facility. He has also held various positions in the field of aviation including Mission Pilot and flight instructor. Howard’s wisdom, skills and life experiences make him an esteemed Director.

Sandra Vander Griend

Board Member

Sandy VanderGriend attended Kuyper College before moving to Nigeria, West Africa for a period of time. She was a home-maker and home-schooled her children through high school. She has held positions in retail, and as a receptionist. Sandy’s experience of having lived in an impoverished nation has given her an expertise in varied areas when dealing with our projects. This makes Sandy a highly regarded Director of the GDG USA Board.

John Pearce

Board Member

John Pearce has a Bachelor of Arts in Management from Southeastern University.  He has been employed at credit unions in Florida and Tennessee for 10 years and is currently a branch manager at Tennessee Valley Federal Credit Union. With John’s expertise, he serves as a valued advisor in numerous areas.

Melody Amato

Board Member

Melody Amato has an Associates of Applied Science in Accounting from Ivy Tech Community College, and a Bachelor of Science in Accounting from Indiana Wesleyan University.  She has worked for Indiana University for over 10 years in the departments of Treasury and Financial Management Services.  She currently holds the position of External Reporting and Compliance Administrator in which she prepares the annual financial report for the university.  She has two children that are attending college. Melody plays an important role as a board member as she oversees accounts for GDG USA and works with the IRS on GDG USA’s behalf.

Rebecca Pearce

Board Member

Rebecca Pearce graduated from the University of South Florida with a Bachelor’s degree in Management. She has worked as an Office Manager and Bookkeeper and is currently employed at Specialized Physical Therapy as an Office Manager. Rebecca also owns her own small business. Rebecca enjoys being a part of the ministry at her church and serving on the Board of Directors of Global Development Group USA. She lives with her husband and two small children in Chattanooga, Tennessee.

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