Walker entered information systems and telecommunications marketing in 1973. His career has included positions in marketing, systems engineering, project and systems management, and training development, management, and delivery. Since IBM, he has served in ministry in chaplaincy, pastoral care, assisted living centers, hospitals, and church ministries, including teaching, preaching, and outreach. He is an accomplished public speaker, trainer, writer, and project manager.
His ministries have taken him into working with many in times of death, divorce, job losses, abuse, rehabilitation, and