John Markiewicz

Director of Sales
Chicago White Sox

John joined the Chicago White Sox in January of 2018 and currently serves as Director of Sales.  In his current role, John oversees the Premium Seating, New Business and Sales Associate Departments.  Prior to joining the White Sox John started his career with the New York Mets as a Group Sales Account Executive and then transitioned to the Florida Panthers Hockey Club where he served in a variety of roles, most recently Vice President of Sales.

During John’s time at the White Sox and Panthers, he has been able to increase premium and new business revenue with a focus on growing and developing his sales teams.

John, a native of Buffalo, NY attended Canisius College where he was a Division 1 Lacrosse player and received a bachelors in Physical Education and Masters in Sports Administration.  In his free time John enjoys spending time with his wife Kristen and daughter Sara.


IDEAL Industries



Franklin Group
IDEAL Industries
Armored Things
Dimensional Innovations
Event Finders USA
3D Digital Venue
Hunden Strategic Partners
Magnetic 3D
Stage Front
Suite Experience Group
Drake's Organic Vodka
Smart Buffet Ware