Michael DeCristofaro has joined the John W. Engeman Theater at Northport as director of operations. He was most recently a financial adviser at Edward Jones in Huntington and lives in Huntington.
Theresa Jacobellis has been appointed director of public and external affairs at Good Samaritan Hospital Medical Center. She joins the West Islip health care facility after serving as director of public affairs at Huntington Hospital. She is a Centerport resident.
Erick R. Vallely, of Garden City South, has joined Garden City-based Jaspan Schlesinger as an associate in its banking and financial services practice group. He held a similar position at Berkman, Henoch, Peterson, Peddy & Fenchel in Garden City.
Lucy Effron has joined Girl Scouts of Nassau County as director of entrepreneurial programs. The Port Washington resident was national and Canadian sales and merchandising manager for Impact Innovations/Variety Accessories in Queens.
To be included in People on the Move, send information and color photos about job moves, promotions and other work-world triumphs by fax to 631-843-2065, by email to email@example.com, or by mail to People on the Move, 235 Pinelawn Rd., Melville, NY 11747-4250