You want the participants to succeed at your seminar or workshop. To help you meet the expectations of your seminar guests, consider inviting Chris to serve as a seminar facilitator, emcee, or panelist.
"Chris had spoken in CSCMP’s Roundtable webinar. He became an instrument to connect the dots between the organization and the Roundtables.” - Charie Leopold, Roundtable Coordinator, CSCMP
"Chris impressed us with his professionalism as well as his wealth of knowledge relating to computer software." - Ross McClain, Business Continuity Director, The Ohio State University