Mark Shackelford

Executive Conference Moderator

Mark joined NCM® Associates in 2013 as an Executive Conference Moderator. His 30-plus years of retail automotive experience began in Akron, Ohio, as a sales consultant for a local automotive dealership. Through different dealerships over the next 15 years, Mark worked as a sales manager and general manager.

In 1996, Mark purchased his first new car dealership and later added a second new car dealership to his portfolio. In 2004, Mark had an opportunity to sell his stores and started an automotive consulting company working in dealerships all across the country for the next six years. Mark has been a 20 Group moderator for the last five years and is an instructor for the NCM Institute where he leverages his certification in training and design learning from the Association for Talent Development (formerly ASTD).

Regan Jansen


Client Services & Meeting Coordinator

Regan Jansen began her career with NCM Associates in May 2017. She graduated from the University of Kansas and has applied her skills to excel in event planning, brand development, sales, and customer service roles. She is committed to creating a memorable experience for all NCM members.