Marks was born in St. Mary, Middlesex, Jamaica, and graduated from Marymount High School in Highgate. She received her Bachelor’s degree in Business Management from the University of the West Indies in Mona, Jamaica, and, in 1991, her Master’s degree in Business Administration from Nova Southeastern University’s H. Wayne Huizenga School of Business and Entrepreneurship in Florida.

 

Marks worked for Air Jamaica while studying for her Bachelor’s degree. Following college, she launched and managed six businesses, including a real estate development firm, a transportation company, a venture capital operation, and a banana exporting farm.

 

In October 1997, Marks founded Paymaster (Jamaica) Limited, a consolidated bill payment agency, boasting more than 1.4 million customers and more than $40 billion in annual transactions.

 

In 2003, she became chairperson of the Tourism Product Development Company.

 

In May 2010, took over as Jamaica’s representative to the Organization of American States, and serves as Deputy Chairman of the Urban Development Corporation, Chairman of the Central Wastewater Treatment Company Limited, Director of the Board of RBTT Securities Jamaica Limited, Jamaica Trade and Invest, National Health Fund, and the University of the West Indies’ Mona School of Business. She is also the first female president of the American Chamber of Commerce of Jamaica.

 

Marks and her husband, electrical engineering consultant Jassel Dunstan, have two daughters, Morgan and Madison.