Toni Ann Riedel of Holbrook has joined REVCO Lighting + Electrical Supply in Southampton as marketing and public relations manager. She held a similar position at The Early Years Institute in Plainview.


Bonnie Seider of Cold Spring Harbor has joined Advancement for Commerce, Industry & Technology, a business networking organization in Hauppauge, as executive director. She directed marketing at First National Bank of New York in Melville.


Alexander E. Hochhausl of Coram has joined H2M, a Melville design firm, as senior project engineer. He was a project manager at Stantec Consulting in Hauppauge.


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Christopher J. Hilton of Farmingdale has joined Suffolk County National Bank in Riverhead as senior vice president, deputy chief credit officer. He was executive vice president and chief credit officer at Empire National Bank in Islandia.