Speakers & Artists
Jason Weimer
Founder and Managing Partner of Gratūs, Jason Weimer is a visionary builder with a deep conviction that wealth exists to serve purpose. What began in 2007 as a simple act of love, helping his father prepare for the future, has become a lifelong mission to serve the Father of fathers through faithful stewardship. A lifelong student of economics and faith, he has spent nearly two decades equipping others to steward resources that create prosperity with meaning. His mission, the heartbeat of Gratūs and Take Your Mountain, is to awaken a generation of Kingdom entrepreneurs to rise as builders, grounded in wisdom, fearless in calling, and unstoppable in their pursuit of purpose to change the world.
Kim Walker-Smith
Kim Walker-Smith is passionate about God’s love for people, the transformational power of Holy Spirit, and encountering the Presence of God. Her music has reached millions around the world, crossing borders and denominations, releasing breakthrough, healing, and hope. Kim’s highest priority is to love God and follow His leading, and to invite those she leads to follow after Him with her. With 20 years of worship leadership and a fearless heart, Kim continues to bring others into deeper, more personal relationships with the Living God. Her highly acclaimed new album, “TRAMPLE,” is a powerful collection of anthems about breaking free from expectations and refusing to be confined by the past as we pursue what is ahead.
MaryRose Barr
Chief of Staff at Gratūs, MaryRose Barr is a catalyst for movement and a strategist for mission. With more than 15 years of experience spanning corporate, entrepreneurial, marketing, and academic settings, she brings both precision and passion to every initiative she leads. A former professor of entrepreneurship and business development, she helps Kingdom leaders to move from vision to action, combining strategy, creativity, and practical application to turn inspiration into impact and calling into measurable change that ripples across generations.
Robin Gann-Marcelle
Robin Marcelle is a prophetic leader and ordained minister whose life is devoted to helping people walk in their God-given purpose with clarity and power. Rooted in prayer, wisdom, and a deep love for others, she carries a gift for awakening faith and restoring hearts to hope. Through ministry, teaching, and spiritual counsel, she helps leaders align their lives and work with God’s vision. As a trusted voice to Gratūs and Take Your Mountain, Robin inspires Kingdom builders to lead with courage, unity, and unshakable faith in what God has entrusted them to lead.
Bob Barlau
Partner and Director at Gratūs, Bob Barlau is a steady force of wisdom and execution who brings clarity to complex systems and vision to everyday leadership. Since joining Gratūs in 2016, he has been instrumental in building the firm’s funds and infrastructure, guiding investor relations and strategic growth with excellence. With a background in financial stewardship and team development, Bob operates with faith-fueled focus, guiding families and entreprenuers in managing their resources with purpose and precision. His approach reflects his core belief that excellence honors God and that stewardship done well can move mountains.
Ben Peterson
Ben Peterson is a veteran, husband, father, and the visionary founder of Engage Your Destiny - a movement uniting faith and service to bring healing and purpose to the military community. Since launching in 2016, Ben has reached over 300,000 service members, veterans, and families with a message of hope and restoration. In 2022, he spearheaded the Heroes Honor Festival, a historic gathering that celebrated Vietnam Veterans with a star-studded lineup and connected over 1,200 veterans to transformative programs. His leadership and authenticity have earned him the trust of elite military units, from the 101st Airborne and Special Forces Groups to Navy SEALs, Recon Marines, and the Space Force. Ben’s calling is clear - to help warriors find freedom in Christ and live out their God-given purpose.
John Velsor
John Velsor is a pastor, coach, and communicator passionate about developing leaders. As the Founder & Senior Pastor of North Star Community Church and CEO of Kingdom Leadership, he equips leaders and teams to grow spiritually, personally, and professionally. John believes that when a leader experiences transformation, every area of their life —from their organization to their marriage and family —benefits. John and his wife, Shannon, live in Minneapolis, MN, with their two sons.

