OCC Staff

Dr T Feb 2016 reduced size

The Rev. Dr. William Tabbernee
Executive Director

Dr. Tabbernee

Before taking up his position as Executive Director of the Oklahoma Conference of Churches in 2010,  Dr. William (Bill) Tabbernee was President and Distinguished Professor of the History of Christianity at Phillips Theological Seminary in Tulsa, Oklahoma, from 1991 to 2009. Dr. Tabbernee has extensive experience in ecumenical relations, including more than 20 years service as a member of the World Council of Churches’ Commission on Faith and Order. Dr. Tabbernee’s academic specialty is Christian thought and history. He continues to write, teach, and publish in this field. He also co-directs an archaeological project, exploring the site of two long-lost ancient cities which he discovered in Turkey. His most recent book is Early Christianity in Contexts:  An Exploration Across Cultures and Continents  (2014). An ordained minister in the Christian Church (Disciples of Christ), Dr. Tabbernee has served local congregations and was a seminary president in Australia before coming to live in the United States.  

The Rev. Mary Hughes Gaudreau
Director of Emotional and Spiritual Care

Rev. Mary Hughes Gaudreau

Rev. Mary Hughes Gaudreau serves as Director of Emotional and Spiritual Care for the Oklahoma Conference of Churches. She is responsible for OCC’s disaster spiritual and emotional care ministries.
Consistent with new National VOAD Disaster Spiritual Care Guidelines, she facilitates OCC’s training and credentialing of local spiritual care responders who are actively engaged in addressing disaster-related spiritual and emotional care needs.
Rev. Gaudreau, a native of Oklahoma, is an ordained United Methodist deacon and licensed professional counselor who first entered into disaster response work following the 1995 Oklahoma City Murrah Building bombing. Since that time she has provided direct training, response, and consultation in more than two dozen states that have experienced disasters. Rev. Gaudreau served as a national consultant for the United Methodist Committee on Relief from 2005-2013 and was the designer of UMCOR’s national disaster spiritual and emotional “Care Team” program.
As past-chairperson of the National VOAD Emotional and Spiritual Care Committee, Rev. Gaudreau helped facilitate the development and ratification of the National VOAD Spiritual Care “Points of Consensus” and served as chairperson of the National VOAD Disaster Spiritual Care Guidelines writing group. She has been instrumental in the creation of numerous resources, standards, and operational guidelines related to disaster emotional and spiritual care.

The Rev. Shannon Fleck
Director of Community Engagement

Rev. Shannon Fleck

The Rev. Shannon Fleck is a native of the State of Oklahoma, spending her childhood with her family in Guthrie. Rev. Fleck attended the University of Central Oklahoma in Edmond, OK, where she received a Bachelor of Arts in Sociology. After working for the State of Oklahoma for two years in Juvenile Justice, She began seminary at Phillips Theological Seminary in Tulsa, OK where she was the Matthew Thompson Fellow, Student Senate Moderator, and the recipient of the Sojourner Award, the Interpreter’s Award and multiple book awards. Rev. Fleck was Ordained by the Christian Church (Disciples of Christ) in 2011.

Prior to her current position with OCC, Rev. Fleck served as the Associate Minister at Central Christian Church in Enid, OK where she was instrumental in beginning the weekly Welcome Table Ministry for the food insecure of Enid, a bi-monthly Suicide Survivor Support Group, a religious presence at Enid’s Pride Celebration, and multiple services and programs throughout the church year to accommodate marginalized communities. She has also served in ministry at the Little Rock Air Force Base Chapel in Jacksonville, Arkansas, First Christian Church in Yukon, OK, Western Oaks Christian Church in Oklahoma City, OK and First Christian Church in Guthrie, OK.
Rev. Fleck serves on the Board of the Oklahoma Coalition for Reproductive Justice and is the 2nd Vice Moderator for the Christian Church (Disciples of Christ) in Oklahoma. Rev. Fleck maintains a passion for the work of Social Justice and Interfaith Relations, standing up for the marginalized and ensuring dialogue and understanding among all people is at the heart of what ministry means for Rev. Fleck. 


Ms. Courtland J. Powers

Director of Development & Finance

Courtland Powers

Courtland J. Powers serves as the Director of Development and Finance for the Oklahoma Conference of Churches. Courtland is a native of Oklahoma growing up in the Greater Oklahoma City metropolitan area. Prior to joining the staff at OCC, Courtland served as the Interim Executive Director at the Wesley Foundation at Langston campus ministry for the Oklahoma Conference of the United Methodist Church and served on the board of the Young Nonprofit Professionals Network of Oklahoma City.  Ms. Powers has worked in fundraising and operations, human resources, and higher education. She has been instrumental in successful grant development, strategic planning, and policy implementation. 

She received her Master of Business Administration degree in Organizational Development from Oklahoma Christian University, Master of Arts degree in Nonprofit Management from Oklahoma City University, and Bachelor of Business Administration degree from Langston University. Courtland is very passionate about fundraising development work that provides opportunities and resources to programs that support cultural competency, interfaith understanding, young adult initiatives, and ethics.