About On the Mark

Founded in February 2008 by Native Houstonian Mark Sullivan, On the Mark Communications (OtMC) is a boutique public relations agency headquartered in Houston, Texas. Among the firm’s specialties are media relations, event coverage and support, marketing partnerships and social media strategy & management. The agency customizes each and every Public Relations & Marketing campaign it oversees and prides itself on an unsurpassed level of customer service. #WeTakeItSeriously

Who are we

Mark Sullivan

Founder & CEO

Jonathan Babin

Sr. Account Director

Brittany Meisner

Sr. Account Director

Erin Woolsey

Sr. Account Director and Events

Jeremy Niederheiser

Social Media Expert

Amanda Calderon

Jr. Account Manager

Amy Johnston

Office Manager

Jillian Davis

Jr. Account Manager

Kathryn Worsham

Sr. Account Director