Board of Directors

Meet the Team

Board of Directors

We have an amazing, diverse group serving as our inaugural board of directors. They come from states spanning the nation, work in a variety of industries and serve God in their local churches, representing different denominations. Each board member brings a wide breadth of expertise and experience to our organization.

Joanna Paul

Joanna Paul, M.P.H.

Board President

Joanna comes to the Board with a 25+ year history of leadership in the biopharma industry and as a former board member for several private non-profit charities.  During her professional career, she has held clinical compliance roles of increasing responsibility for large companies such as Amgen and Genentech, as well as smaller companies such as Allogene Therapeutics and Halozyme.  She currently owns and operates her own consulting firm, Statmetrics LLC, in partnership with her husband, David.  In addition to professional positions, Joanna has been a valued board of directors’ member for patient advocacy charities such as the Center for Bioethics and Culture, Landon Pediatric Foundation and, was a founding board member for the local Conejo Valley chapter of the JDRF.  

Joanna completed her bachelors in biological science from the University of California at Irvine and her Master’s in Public Health, with a focus on health services, from the University of California in Los Angeles.  She also completed coursework in Spanish literature through the Universidad de Granada, in Spain. 

Joanna and her husband David attend Redeemer Presbyterian Church in Encinitas, CA.  Living in a highly diverse area in Southern California, they are strong supporters of global missions and recognize the importance ESL in furthering the mission of Jesus by “loving your neighbors”.   She considers it a privilege to serve on the inaugural board of TESOL Ministry. 


Natalie Mullen Leisher, Ph.D.

Natalie Mullen Leisher, Ph.D.

Board Vice-President

Dr. Natalie Mullen Leisher is the director of the Institute for Cross-Cultural Training where she works with Christian non-profits and their workers who are learning and teaching languages all around the world. She was an ESL teacher to adults in university settings for over 10 years, specializing in listening, speaking, and pronunciation, and has lived and served in China and Spain. Her doctorate is in Education Policy and her research interests include language policy, multilingual populations, language justice and inclusion, internationalization of higher education, and second language acquisition.


Lilian Choy, M.A.

Board Secretary

Lilian Choy is a Programs Coordinator in a regional government agency in Los Angeles, California that serves multicultural and multilingual families.  Her primary responsibilities include procurement and grant development, contract management, intergovernmental cooperation, and emergency management.  She holds a Master’s Degree in Urban Planning.
Lilian also serves as Coordinator for her Community Bible Study class.


Ann Flood

Board Treasurer

Bio Coming Soon


Kelly Schroeder

Kelly Schroeder, Ph.D. candidate

Board Member

Bio Coming Soon


Jasper Harris

Jasper Harris

Board Member

Jasper Harris is a Sr. Manager at Blue Cross Shield of North Carolina where he leads a team that facilitates healthcare transformation. 
He has worked in the healthcare industry for 20 years designing hospital system quality incentive programs aimed at improving patient care coordination, health outcomes, patient experience, and health equity.  Jasper holds a bachelor’s degree in Biostatistics and master’s degree in Health Administration from the University of North Carolina at Chapel Hill. Lastly, Jasper has a passion for refugee ministry. He has served with World Relief and local churches for 4 years helping families from Myanmar settle in the community. 

Meet the Team

Executive Director

Our director coordinates with a team of volunteers to serve and equip ESL ministries and community based programs.

Shannon Mann

Shannon Mann, M.A.

Founder & CEO

Shannon Mann is passionate about helping people learn to follow Jesus and mature in their faith. She has a M.A. in Intercultural Studies from Golden Gate Baptist Theological Seminary, and is currently an adjunct instructor at Southeastern Baptist Theological Seminary/The College at Southeastern and Durham Technical Community College. In addition to teaching, she has worked in a variety of fields including business consulting, information technology, online marketing, website development, and quality assurance. She has over 7 years experience teaching university courses both in-person and online in the US and overseas. Classes she has taught include: ESL, Intercultural Communication, Linguistics, and TESL Internship. Shannon serves as the Facilitator for CELEA’s (Christian English Language Educators Association) Community-based ESL Group. Shannon also serves in ministry alongside her husband, Eric, who is a pastor of a church in North Carolina.

Meet the Team

Advisory Board

We’re grateful for the industry professionals who share their experience, insight and advice in support of TESOL Ministry and our mission.

Billy Haselton, M.Div, M.A.

Advisory Board Member

Billy has an M.Div. from Southeastern Baptist Theological Seminary (SEBTS) and an M.A. in Teaching English as a Second Language from the University of Alabama. Billy serves as an adjunct instructor at in the ESL certificate program at SEBTS. He has taught ESL for Westminster Theological Seminary in the Mastering Theological English Program, for North Carolina State University in the Intensive English Program, and for Messiah University in the TESOL certificate program. Billy and his wife, Mary Jo, and their three children, lived in Taipei, Taiwan for nine years, where he served at Overseas Radio & Television, Inc., a Christian media ministry.


Ann Flood

Advisory Board Member

Bio Coming Soon


Natalie Mullen Leisher, Ph.D.

Natalie Mullen Leisher, Ph.D.

Advisory Board

Dr. Natalie Mullen Leisher is the director of the Institute for Cross-Cultural Training where she works with Christian non-profits and their workers who are learning and teaching languages all around the world. She was an ESL teacher to adults in university settings for over 10 years, specializing in listening, speaking, and pronunciation, and has lived and served in China and Spain. Her doctorate is in Education Policy and her research interests include language policy, multilingual populations, language justice and inclusion, internationalization of higher education, and second language acquisition.