Now in her tenth year of real estate—and having guided or overseen more than 700 home purchases and sales—JoEllen Musselman leads the Michala Costello Team’s sales division with equal parts composure and drive. Drawing on a career path that began in operations, she pairs a meticulous eye for detail and process with a genuine love of mentoring new agents, fostering the collaborative culture that sets this team apart.

Clients appreciate JoEllen’s level-headed, calming presence during what is often a stressful milestone. She anticipates challenges before they surface, keeps negotiations moving forward, and communicates with clarity so buyers and sellers feel supported every step of the way.

Away from the closing table, JoEllen has called Philadelphia’s Chestnut Hill/Mt. Airy neighborhoods home since 2011. She and her husband of 25 years have three grown children, plus three former international students who became family, and two lovable pups named Livie & Mocha Sweetums.

A lifelong reader, JoEllen is happiest combing through flea markets for vintage treasures, planning spur-of-the-moment weekend getaways—especially to New York City and Washington, D.C.—and hosting friends for relaxed, laughter-filled gatherings. She is also passionate about social-justice initiatives, bringing the same spirit of service she shows her clients to the broader community.