Our Leadership Team
Mark Halfacre
Chairman of the Board and Chief Organizational Officer
 
Mark’s areas of focus include ministry vision, organizational structure, government compliance, and media strategy. He retired from Texas Instruments in 2012 after a 33-year career in the semiconductor industry, where he held a number of management roles in research and operations management. Mark and his wife Jana live in Maine and are members of Galilee Baptist Church, where he also serves as an elder. They have two adult daughters and three grandchildren and enjoy cruising the Maine coast on their boat Pegasus. Mark has a passion for outreach and worldwide missions and exploring how new technologies can be used to spread God’s Word.
David Christensen
President and Chief Executive Officer
 
The President leads the organization, provides the vision, and sets the corporate culture of The Rephidim Project through his writing, preaching, and teaching while serving as the Chief Executive Officer of the organization.
 
David retired in 2018 after 28 years as the preaching pastor at Galilee Baptist Church in Gorham, Maine, to devote himself to encouraging pastors, missionaries, and church leaders through Bible exposition and teaching the methods of expository preaching to the next generation of preachers. He also served at New England Bible College as a professor, Academic Dean, and Interim President, where he taught Homiletics, Bible, and Pastoral Theology. David is the author of 6 books and has taught seminars on preaching in Ireland, Russia, Ukraine, Panama, and Maine. He spent his childhood years in Pakistan, the son of missionary parents but moved to Maine as a teenager, where he met his wife, Janie. After their seminary years in Indiana, God led them back to northern New England in 1984, where David has served in the dual ministries of pastor and teacher for 30 years. They live in Maine and have two adult daughters.
Mark J. Crocco
Director of Ministries
 
The Director of Ministries gathers, inspires, and mobilizes pastors to fulfill The Rephidim Project vision by preaching in local churches and promoting the vision in conferences, workshops, and other pastoral gatherings.
 
Mark is the Owner and President of Integrity Leadership Development Inc. Mark spent fifteen years in pastoral ministry and has spent the last twenty years developing leadership in organizations. Mark is a highly sought-after leadership development expert, public speaker, and author. He oversees the Crocco Catalytic Leadership Institute, which exists to create leadership materials with the goal of developing leadership. Mark speaks at many leadership conferences throughout the country and often speaks at churches, bible conferences, and retreats. He is a graduate of Philadelphia College of Bible and Grace Theological Seminary.
Russ Cotnoir
Director of Pastoral Resources
 
The Director of Pastoral Resources supports pastors through personal encouragement and public preaching while developing a variety of resources across all media platforms that will assist them to be more effective pastoral preachers.
 
After 34 years of ministry, Russ retired as the senior pastor at Fayette Baptist Church in Fayette, Maine. He was called to Fayette in 1988 during his junior year at New England Bible College and soon after received his BS degree (with a major in Bible). He is also the founder of First Light, a daily radio ministry aired on WBCI 105.9 FM, which has broadcast his sermons since 1996 and has become the longest running Maine based program since WBCI began reaching throughout central Maine and New England. Russ’s heartfelt passion is to communicate biblical truth in a relevant way in order to effect spiritual change through his pulpit and teaching ministry, podcasts, First Light radio messages as well as speaking engagements at churches and events, retreats, and various conferences. Russ and his wife Denise have four adult children: Joshua, Aaron, Sarah, and Matthew, and seven grandchildren: Emily, Abel, Connor, Ian, Lilah, Nora, and Levi.
Shirley Douglas
Administrative Assistant
 
Shirley spent many years running her own graphic design company and continues to work in the design and production of a weekly newspaper. Her roles at Rephidim vary from bookkeeping to marketing and include managing our website and social media as well as preparing the newsletter, handling our mailing list, and other administrative functions. Shirley loves the Lord and has a great heart for missions, having gone to Panama for a short-term mission trip in 2015. Shirley and her husband, along with their daughter, live in Maine and are members of Galilee Baptist Church, where they enjoy being part of the worship team.
Adrian Wells
Internet Technology Manager
 
Adrian provides information technology services and also serves as a member of the Board of Directors. He has worked in Information Technology for over 20 years.  Adrian and his wife live in Maine along with their two active sons and are members of Galilee Baptist Church.  He enjoys working with technology and looks forward to how God will use The Rephidim Project to His glory.
Tim Woodward
Chief Financial Officer
 
Tim is in the corporate world still, sniffing at retirement. He has spent his career overseeing manufacturing, in IT support, and for the last 15+ years in various financial roles. He is an active member of Christ the Redeemer PCA church in Portland, Maine. Tim also spent time on the board of the Greater Portland Christian School, again in financial roles. He, and his wife Connie, have four adult children, two who have families locally with fun grandchildren. They also enjoy spending time in Arizona, where a third daughter lives, and their son is active military, currently serving in Germany. Tim’s passions concern finance and Christian stewardship. 
Instructors
Dave Lambertson is a native Mainer who grew up in Greenville and now resides with his wife Margo in Oxford.  They have four adult children and are awaiting their ninth grandchild in November. Dave is a graduate of Cairn University (B.S.) and Western Conservative Baptist Seminary (D. Min.).  He has taught Bible college students for 32 years in a wide variety of biblical and theological courses at Big Sky Bible College (MT) and New England Bible College (ME).  He also works part-time for Maine Limousine Service as a chauffeur.  When not working, Dave enjoys walking, bicycling, hiking, kayaking, tennis, golf, pickleball, and watching Boston/New England sports teams and Netflix movies. His life verse is 2 Corinthians 8:9, “For you know the grace of our Lord Jesus Christ, that though He was rich, yet for your sake He became poor, that you through His poverty might become rich.”
Authors
Dan Coffin was born and raised in northern Maine and moved to South Portland, Maine for his senior year of High School. After graduation, Dan served fourteen years in the U.S. Army before leaving active duty to pursue the pastoral ministry. He spent four years serving as a pastor in Hudson, New Hampshire followed by twenty-seven years at Small Point Baptist Church in Phippsburg, Maine. Dan is a graduate of New England Bible College. Dan and his wife, Kathi, lead Shepherd’s Knoll II, a B&B experience for pastoral couples and retreat center for small groups on the shores of Androscoggin Lake in Wayne, Maine.
Mark J. Crocco is the Owner, and President of Integrity Leadership Development Inc. Mark spent fifteen years in pastoral ministry and has spent the last twenty years developing leadership in organizations. Mark is a highly sought-after leadership development expert, public speaker, and author. He oversees the Crocco Catalytic Leadership Institute, which exists to create leadership materials with the goal of developing leadership. Mark speaks at many leadership conferences throughout the country and often speaks at churches, bible conferences, and retreats. He is a graduate of Philadelphia College of Bible and Grace Theological Seminary.
Jack L. Daniel is Field Director for Overseed, a nonprofit ministry organization whose vision is to revitalize historic New England churches by recruiting, training, and supporting godly pastors to serve in their pulpits. He is Pastor Emeritus of Free Christian Church of Andover and North Andover, MA, a congregational church he pastored for 35 years. Jack holds degrees from Gordon-Conwell Theological Seminary (M.Div.) and Andover-Newton Theological School (D.Min. in Pastoral Counseling). Retired from full-time ministry in 2012, he remains passionate about preaching the gospel and coaching younger pastors.
Dave Deuel (MDiv, Th.M, M.A, PhD) is the Academic Dean Emeritus of the Master’s Academy International, Senior Research Fellow for the Christian Institute on Disability, and Lausanne Catalyst for Disability Concerns for the Lausanne Movement. He has taught Old Testament courses at both the undergraduate and graduate levels; was the General Editor for the Journal of Global Christianity and Committee Chairman of the Old Testament and Ancient Near East Section of the Evangelical Theological Society, and has served on numerous boards. Throughout his ministry, Dave has focused on helping others design and develop educational ministries primarily outside the USA.
Lee Eclov recently retired as the Senior Pastor of the Village Church of Lincolnshire (Evangelical Free) in the northern suburbs of Chicago. Eclov’s 2012 book, Pastoral Graces: Reflections on the Care of Souls, won Leadership Journal’s “Best of the Best” 2012 book award in the category, “The Leader’s Inner Life.” He has also written, Feels Like Home: How Rediscovering the Church as Family Changes Everything. Lee has a great love of other ordinary pastors like himself and delights in drawing them into the heart of shepherding. He is a mentor to many seminary students and younger pastors and occasionally speaks in pastors’ gatherings. Lee has long been a contributor of both articles and sermons to PreachingToday.com and is a Contributing Editor of Leadership Journal, both publications of Christianity Today Inc. He has been an adjunct professor at Trinity Evangelical Divinity School, Deerfield, Ill., for well over ten years. Lee and his wife Susan have been married for over 40 years and have one son, Anders.
Ira Hall has served as Senior Pastor of Bean’s Corner since December of 2006 after serving as Youth/Associate Pastor for the 10 previous years. He and his wife Sarah have a daughter and three sons. Ira’s focus at Bean’s Corner is the equipping of disciple-makers and building up the ministry team. He is the primary speaker on Sunday mornings, seeking to share the truth of God’s Word in a real-life context. Ira & Sarah have a strong passion for the youth ministry and Direct Camp Berea in North Turner, Maine. Ira is a graduate of Lancaster Bible College and Bonny Eagle High School in southern Maine. He continues to work with the InterVarsity Christian Fellowship of UMF, where he previously served as staff member (98-02). Ira also does some chapel and conference speaking. Ira’s greatest joy is spending time with his family.
Rev. Ken Hinkley has been in pastoral ministry for more than 25 years, serving several churches in western Maine. He is the author of several books including his latest, “It’s Not About Me: a guide to an amazing marriage (Westbow Press).” He has composed more than 300 poems and several short stories. His greatest love is to teach the Word of God and gives God the credit for his creative talent.
Garrett Soucy and his wife, Siiri, live in Liberty, Maine with their nine children. He is the pastor of Christ the King Church in Belfast. He is also a writer and musician.

Stephen Witmer (PhD, Cambridge University) is the Lead Pastor of Pepperell Christian Fellowship in Pepperell, Massachusetts. He teaches New Testament at Gordon-Conwell Theological Seminary and helps to lead Small Town Summits, which partners with The Gospel Coalition New England to serve small-town churches and pastors. He is the author of Eternity Changes Everything and the volume on Revelation in Crossway’s Knowing the Bible series, and is currently writing a book for InterVarsity Press on small-town ministry.