- Founder and Lead Pastor of Westover Hills Church
- Speaker of organizational leadership on the Masters and Doctoral level at Assemblies of God Theological Seminary in the USA
- the South Texas District of the Assemblies of God as the General Presbyter on the national board
- the Board of Regents of Southwestern Assemblies of God University

He founded Westover Hills Church and church. It is positioned on a 42-acre campus with a thriving, diverse congregation of more than 5,000. He built five auditoriums. Because of its exponential growth, the church has made Outreach Magazine’s annual list of the Fastest Growing Churches in America for five years. Pastor Jim has served as Lead Pastor of Westover Hills Church for 37 years. Additionally, he earned a master's degree in Biblical Literature and completed his Doctor of Ministry with the Assemblies of God Theological Seminary. Pastor Jim teaches organizational leadership on the Master's and Doctoral levels at Assemblies of God Theological Seminary in the USA. His global influence involves teaching in Bible Colleges in Singapore, Malaysia, New Zealand, and Africa. He also serves the South Texas District of the Assemblies of God as the General Presbyter on the national board. He serves on the Board of Regents of Southwestern Assemblies of God University. He regularly speaks to pastors, church staff, and church leaders in the areas of growth, leadership, organizational health, building teams, and ministry effectiveness. Additionally, he engages in leadership coaching with pastors and church boards. Pastor Jim speaks to business leaders, where he shares biblical principles of leadership for secular leaders, managers, and business owners.