Our Staff


James R. Barber, President
Jim joined the staff of The Generosity Trust in January 2000 after many years in ministry service with Samaritan’s Purse and The Moody Bible Institute. He attends Calvary Chapel, Chattanooga, where he is active in a variety of ways, in particular the Renew Outreach of the Church. He has volunteered as a baseball, softball, basketball and football coach, and has also been involved in missions outreaches in Romania, Bosnia, Croatia, Jamaica and Ecuador. He is a graduate of Cedarville University, National College of Education, Warren National University and was awarded a Doctor of Divinity degree from Temple Baptist Seminary. Jim and his wife, Tammy, who is the Middle School Academic Counselor at The McCallie School, have two sons and a daughter, and one daughter-in-law.  Email Jim.

Jennifer M. Sheffield
Jennifer joined the staff of The Generosity Trust in October, 2014, as the Director of Finance, Accounting and Administration.  She spent the 15 years prior to this as the Assistant Director of Camp DeSoto, a privately owned, residential girls camp in Mentone, Alabama.  A graduate of the University of Mississippi (Accounting), Jennifer has also worked in the field of Finance and Banking in Tennessee and Texas.  She is married to Carl Sheffield, who recently completed the 140.6 mile Houston Ironman triathlon! They attend church at NorthShore Presbyterian Church. Email Jennifer.


Maria Kain Matthews
Maria Kain Matthews joined The Generosity Trust in July 2018, as Director of Generosity and Donor Relations.  A native of Chattanooga, she has worked in the non-profit field for 35+years, including 29 years in various development and fund-raising roles with Girls Preparatory School, her alma mater. She is a graduate of Vanderbilt University, where she received a B.S in Art History. In her free time she enjoys painting in various media, including oils and encaustic. She and her husband Dennis attend City Church of Chattanooga, where they serve as elders. Email Maria.


Abbie T. Smallman
Abbie joined the TGT family in September, 2015, as the Staff Accountant.  She is a 2014 graduate of UTC, with a Bachelor's Degree in Accounting.  Abbie and Paul Smallman were married in May, 2016, and welcomed their daughter, Myra, into the world in April 2018.  Their dog, Marlin, was also glad to meet Myra. They attend church at New City East Lake.  Email Abbie.


Sarah T. Gribble
Sarah joined the TGT family in December, 2015.  Originally from Florida, she has worked in a variety of capacities, from Customer Service to restaurant server, and even as a nannny for several families.  Sarah studied Sociology and Anthropology at UTC, and is an active member of Calvary Chapel Chattanooga.  She and David Gribble were married in April, 2017, and are proud residents of Hixson. Email Sarah.


Sarah L. Paone
Sarah joined the TGT family in February, 2018.  She graduated from UTC in December, 2017, with a Bachelor's Degree in Finance.  She and her husband, Scott, are the proud parents of a two-year old boy, Elijah.  They attend Silverdale Baptist Church. Email Sarah.