Roz grew up in western New York as a first-generation Sicilian-American. In 2003, he earned his Bachelor of Arts in Religion from Houghton College and in 2007 a Master of Divinity from Asbury Theological Seminary. He graduated with a Doctor of Ministry from United Theological Seminary in 2014 and an MBA in 2021 from Dakota Wesleyan University.
During his senior year of college, Roz entered the ministry as a military chaplain, serving four years in the Marine Reserves and five years in the Navy Reserves. While attending seminary, he recognized a call to serve the local church and has experience in all facets of church life, through roles ranging from church custodian to associate pastor to church planter and executive pastor of church planting at Ginghamsburg Church for five where they had three campuses and worshipped over 4,000. Also, Roz was one of the founding pastors at Mosaic, a multicultural church in Dayton, Ohio (www.wearemosaic.org).
In addition to his work in the church, Roz leads a consulting group for church planters/pastors called Picardo Coaching LLC and is the author of 7 books.
More recently, Roz works bi-vocational at United Theological Seminary. He serves as Director of the Seminary's Pohly Center for Supervision and Leadership Formation, a faculty consultant in United's Doctor of Ministry program and an affiliate faculty member, and Director of United's Houses of Study.
Callie Picardo loves the Lord and has a passion for prayer, discipleship, and generosity. She is an author, preacher, teacher, and encourager.
A business major from Rhodes College in Memphis, TN, Callie worked in investment banking after college. Loving the financial side of her work, but wishing for more people interaction, she moved back to her hometown of Lexington, KY and into the world of charitable giving. She served six years as Kentucky’s Director of Giver Services for National Christian Foundation, one of the largest charities in the United States.
In 2015, after moving to Dayton, OH, Callie began working at United Theological Seminary, and now serves as Vice President for Development. She loves building relationships with donors of the seminary, hearing their stories and inviting them into God’s work at United. She views fundraising as ministry, regularly caring for and praying with donors.
In 2011, she founded Deep Roots Financial Coaching, a business that helps individuals, families and churches align their finances with God’s word. Her passion is to see God’s children grow in their faith through managing money God’s way and becoming financially free to follow His call wherever He may lead.
While in Kentucky, Callie met a United Methodist pastor and church planter named Rosario Picardo, and in 2010 they were married. Together they live in Dayton, OH with their three young daughters Lily, Gabriella, and Hannah. In September 2017, Rosario planted a multiethnic United Methodist Church called Mosaic, where Callie serves on the preaching team and in the prayer ministry.
In 2021, Callie and Rosario co-authored Money Talks: A Biblical Take on Earning, Saving, Spending, and Giving to encourage others as they walk with God in the area of their finances. They also co-host The Better Together Podcast with Callie and Rosario Picardo.