Ms. Mindy Caliguire

Boulder, Colorado

Mindy Caliguire is the founder of Soul Care, a spiritual formation ministry that exists to increase “soul health” in the body of Christ. She previously served as the Director of Transformation Ministry for the Willow Creek Association (WCA) and currently serves on the senior alignment team at Gloo as the Compassion International & Church Initiative Lead (

Mindy also serves as a speaker and leadership consultant, working with local churches and national organizations such as Renovare, InterVarsity Christian Fellowship, Salvation Army, and her home church, Ascent (

Her books include STIR: Spiritual Transformation in Relationships, Become Like Jesus, Discovering Soul Care, Spiritual Friendship, Soul Searching and Simplicity, as well as Write for Your Soul: The Whys and Hows of Journaling, with her husband, Jeff Caliguire.

Mindy and her family live in Boulder, Colorado.

Dr. Robert B. Sloan, Jr.

Houston, Texas

Dr. Robert B. Sloan, Jr., is the president of Houston Baptist University and has served in this capacity since September 1, 2006. Under Dr. Sloan’s visionary leadership, the University is experiencing unprecedented growth as he and his administrative team work to implement the goals, or pillars, in HBU’s twelve-year vision, The Ten Pillars: Faith and Reason in a Great City.

Dr. Sloan serves on the Board of Directors of the Houston Symphony, the Greater Houston Partnership, Houston Christian High School, Orphan Outreach, and the Christian Thinkers Society. Other leadership roles include his service on the Community Relations Committee of Memorial Hermann Healthcare System and the Charity Golf Committee of Marketplace Chaplains USA.

Dr. Sloan has published extensively and has pastored churches throughout Texas and beyond. He is the recipient of numerous awards and has also held membership in a number of professional societies, including the Society of Biblical Literature, the Southwest Biblical Seminar, the National Association of Baptist Professors of Religion, and Studiorum Novi Testamenti Societas.

Dr. Sloan previously served as the president and chancellor of Baylor University, where he was a member of the faculty and the founding dean of George W. Truett Theological Seminary. He graduated cum laude with a Bachelor of Arts degree from Baylor University in 1970; earned the Master of Divinity degree magna cum laude from Princeton Theological Seminary in 1973; conducted post-baccalaureate research at the University of Bristol, England, from 1973 to 1974; and earned the Doktor der Theologie insigni cum laude from the University of Basel, Switzerland, in 1978.

Dr. Sloan was born in Coleman, Texas, and grew up in Abilene. He is married to the former Sue Collier of Cisco, Texas. The Sloans have seven children, three daughters-in-law, and four sons-in-law: Charissa and Derrick; Bryan and Amy; Eraina and Bryan; Michael and Allison; Alathea and Justin; Sophie and Mac; and Paul and Meghan. They also have twenty grandchildren.

Mr. Jim Zwiers

Zeeland, Michigan

Jim Zwiers is former Managing Partner at Ferris, Busscher, & Zwiers, P.C. Since joining the firm in 1973, Jim has been responsible for servicing the various accounting, auditing and tax needs of the firm’s commercial clients, non-profit organizations, and governmental entities. Since 1997, he has served as the firm’s managing partner and serves as the Quality Assurance partner for their audit practice.

Jim graduated with a BS in Accounting and earned his MBA with a tax concentration from Grand Valley State University. He earned his public accounting certification in Michigan.

Jim and his wife Suann live in Zeeland, Michigan where they are active members of North Street Christian Reformed Church. They have three adult sons. Jim and Suann have been faithful supporters of Mike and Ascending Leaders since 2009. North Street CRC, also the church of Mike Johnson’s upbringing, has been a longtime advocate and supporter of Ascending Leaders’ work. During his time at North Street, Jim has served on the Finance and Outreach Committees as well as given his time as Deacon, Elder, and Treasurer.

Ms. Jamie Boersma

Clive, Iowa

Jamie Boersma retired from Girl Scouts of Greater Iowa (GSGI) as the CEO in August 2015. She served in that position for four years. Currently enjoying semi-retirement and being a Senior Consultant/Executive Coach for Career Resource Group.

Early in 2013, Jamie became one of ten individuals in the nation to receive USA Network’s 2013 Characters Unite Award for her extraordinary efforts in helping give girls the chance to become strong and successful leaders, for her anti-bullying efforts, and addressing important issues like gender-parity.

Jamie has a long standing history of working hard, helping improve the lives of others and giving back to her community. Prior to GSGI, Jamie served as Vice President of Development at Special Olympics Iowa for more than two years. She worked at AT&T for more than thirty years prior to Special Olympics Iowa. During her time there, Jamie had a varied career that ranged from computer programming to sales leadership positions supporting large global businesses.

Jamie has been active in churches she has belonged to throughout her life and takes her strength and inspiration from our Lord and Savior. She and her husband Dale attend Meredith Drive Reformed Church (Bridge campus) in Johnston, Iowa.

She resides in Urbandale, Iowa with her husband, Dale. They have one son, Andrew, who is a Mechanical Engineer working for Musco Lighting in Oskaloosa, Iowa. Jamie also serves as President-Elect of the Rotary Club of Des Moines, President of their homeowners association and a member of NEXUS – executive women’s alliance.

Mr. Bob Terpstra

Grand Rapids, Michigan

Bob has been a believer in the Lord Jesus Christ for as long as he can remember. Raised in a Christian home along with 6 siblings provided opportunities to develop awareness of others and care for people who are underserved in our society. His faith is rooted in the Reformed perspective which guided his leadership practices in both the classroom as a teacher and administrator in various schools across the country.

His professional life as an educator for 23 years took a sudden turn in 2004 when God moved him into professional fund raising for Calvin College. He has also served as a consultant for non-profits to develop their practices in raising funds.

Bob’s interest in biblical stewardship has guided his latest professional practices as reflected in his blog, Oikonomia: Stewarding God’s Abundance. Bob’s other interests include mentoring, discipleship, reading, bicycling for pleasure, and kayaking.

Bob and his wife, Marjorie, have 4 children who are married, serving the Lord in their home communities, and raising their children. They travel to visit them, as well as for work, satisfying the yearning for adventure and personal growth.

Rev. Dr. Mike Johnson

Sugar Land, Texas

Mike believes he is formed by Christ to form others.

He is an ordained Minister of the Word in the Christian Reformed Church in North America. In March of 2004, Mike received his Doctor of Ministry degree from Fuller Seminary in Pasadena, California. He specialized in adult lay leadership development.

Prior to that, Mike served as resident pastor at New Life Church in Spring, Texas, planted and pastored Community Life Church in Missouri City, Texas, and also developed and implemented the Texas Leadership Development Network, which was the predecessor to Ascending Leaders. Mike has also helped church leaders refocus and has been involved in the city-reaching efforts in the greater Houston, Texas area.

Mike is the core author of most of Ascending Leaders' material. He sees his calling and gifting as being a faithful tool for creatively forming others. His passion is to help people grow and serve effectively as discipled leaders in God's Kingdom.

Michael, his wife, Gina and their two children and spouses all make Sugar Land, TX, their home and all work in education. He enjoys gardening with his wife and family activities, such as home improvement projects. He also enjoys friends, reading and discipleship ministry.

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