The American Medical Student Association has hired Joshua Caulfield as executive director. Caulfield previously served as CEO of the American Institute of Architecture Students.

Jamien Payne is the new director of membership and marketing at the American Association of Tissue Banks. Payne most recently was marketing manager at the Advanced Medical Technology Association.

Corey Rosenbusch, CAE, has been named president and CEO of the Global Cold Chain Alliance. Rosenbusch has been with GCCA for eight years, most recently as president and COO.

Lions Club International has appointed Scott Drumheller executive administrator. He will also continue to serve as LCI’s secretary.

The Optical Society has hired Alison Taylor as executive editor. Previously, she was director of editorial development for AIP Publishing.

Tom Kinder has been named sports development manager for the Greater Lansing Sports Authority.

Elizabeth Lasko has been hired as vice president of marketing and communications for the Central Station Alarm Association. Previously, she served as executive director for members and constituency relations at the National Association for Music Education.

Cindy Bennett has joined Associated Luxury Hotels International as director of sales for the mid-Atlantic region.

The Louisville Convention and Visitors Bureau has named Chris Bumann a sales assistant for the convention devel­op­ment department.

Meliá Hotels International has announced the appointment of Juan Asin as general manager of ME London. Asin previously served as general manager of Meliá Luxembourg.

Lauren Halpern has joined AlliedPRA South Florida as a national sales manager.

The Roanoke Valley Convention and Visitors Bureau has hired Michael Unanue as vice president of sales. He most recently served as associate director of sales at Grove Park Inn Report and Spa.

Vetted Solutions has hired Tiffany McCarty as vice president. McCarty previously served as a principal of JDG Associates.

Conference Man­agers has appointed ­Colleen Campbell president and CEO. Campbell most recently served as vice president of operations for Conference Managers.

Executive recruit­ment firm SearchWide recently announced three promotions. Mark Gnatovic is now senior vice ­president, and Kellie Henderson and Nicole Newman are vice presidents. Gnatovic previously was a vice president, and Henderson and Newman were executive recruiters.

Jamien Payne, Tom Kinder, and Tiffany McCarty.