She is also the founder and president of JJS Advising, a consulting company that specializes in leadership development as well as organizational and corporate strategy.

From 1983 to 2004, Jenkins-Scott was the president and chief executive officer of the Dimock Community Health Center based in Roxbury, Massachusetts.

While president, Jenkins-Scott helped to host Wheelock College's first international conference on children, youth, and families in July 2013, which drew attendees from more than 40 countries.

[2] While Jenkins-Scott was president, Wheelock increased its enrollment and diversity, and, according to the school, the number of first-generation college students grew from 25 to 41 percent from 2005 to 2014.

She had been unanimously nominated to the college's board in December 2021, and was approved by Massachusetts Commissioner of Higher Education Carlos E. Santiago in late-January.

In April 2007, Boston's mayor, Thomas M. Menino, selected her to co-chair his School Readiness Action Planning Team.