40 Under Forty 2024: Dan Joslyn, takes his family business to new heights

Dan Joslyn, 36

Title Co-owner and treasurer
Company Ace Temperature Control, in Worcester
Residence Auburn
Birthplace Worcester
College Worcester State University

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Before taking over Ace, a business founded by his grandfather in 1963, Dan Joslyn sought to put his criminal justice degree to good use by signing up for the Worcester County Sheriff’s Office academy.

Graduating from the academy in 2012 with high marks, he joined the county sheriff’s department. While he played an important role in many of the department’s endeavors, including the launch of its Graffiti Removal Unit and the establishment of a team tasked with tracking down contraband within the department’s prison, Joslyn kept his ties to the family business, learning more about its operations on his off days. The more he learned, the more interested he became in taking over Ace from his father, leading Joslyn and two other employees to purchase the business. Since hanging up his sheriff’s hat in 2022, Joslyn has helped Ace streamline operations by utilizing technology, helping preserve the family legacy by guiding the company toward the future. At home, the Joslyn family provides an emergency placement home for children in the Mass. Department of Children & Families system. His and his wife’s experience in fostering children even before the birth of their son led them to adopt a daughter in June.

What superpower would you most like to have? The ability to see the future. That kind of foresight would be invaluable in business.

What is the hidden gem of Central Massachusetts? Maybe not so hidden, but a definite gem: The Hanover Theatre & Conservatory for the Performing Arts.

Who’s career would you most like to emulate? Perhaps it’s cliché, but I have to go with my father or my grandfather on this one.