RGGM Board of Directors

Maria Allewelt


Maria serves as president of the RGGM board. She is a certified Life Coach and has extensive experience in executive coaching and personal faith development. Living throughout the year on three continents allows her to gain insight into cross-cultural living in personal and practical ways. Her first visit to Kenya in 1984 made her “fall in love” with the people and their culture.


Maria was married to her husband Gil, who passed away in 2011. She resides in Wexford, PA. 

Mark Guy


Mark serves on the board of RGGM as Vice-president. He is a Primary Care Physician in Pittsburgh, PA and has been involved with various mission opportunities for over 20 years including: Medical work in Sierra Leonne, West Africa; in Uganda; in Haiti and Guatemala; founding the North Side Christian Health Center; serving at his church on the Elder board. 

He plans to be part of Spiritual Direction and Leadership Development program in 2018.

Mark is married to Christine. They live on Pittsburgh’s North Side and have 3 grown children. He enjoys breeding canaries, biking, backpacking. 

Christine Guy


Christine serves on the board of RGGM as the secretary. Her heart and mission have been drawn to those at risk or living on the margin.  She has a passion for living the gospel in places that are gritty or challenging. Early in her career as a Physician’s Assistant, she spent a year at a mission hospital in Sierra Leone doing clinical work with her husband, Mark. Other cross cultural or overseas work has included time in the Czech Republic discipling women.

Her current activities and efforts include working as a Physician’s Assistant in a high risk clinic for patients with hepatitis, as well as teaching PA students as an adjunct faculty member at Chatham University.  She is also investing in skills and experience to develop as a Spiritual Director, and will begin a program in Spiritual Direction and Leadership in 2018.

She and her husband reside on Pittsburgh’s North Side. They have raised 3 children, all grown.


Lisa Langford


Lisa Langford currently serves as the finance officer for Reflecting God’s Grace Ministries. Lisa worked with Maria Allewelt to establish Reflecting God’s Grace Ministries as an officially recognized tax-exempt organization in 2015.

Lisa is an accountant by education, earning her CPA certification while working at Deloitte. For the last 20 years, Lisa has worked for LYNX Services in Product Management roles. She has previously served on the boards of National Association of Accountants, Campfire Boys and Girls and the Hemlock’s Owners Association in addition to actively volunteering in her church and local schools.

Lisa lives in Hampton Township with her husband, Jeff, and their two children.