Long-time Mela Sciences (NSDQ:MELA) CEO Joseph Gulfo resigned last week from his position as chief executive, president, chairman and member of the board. Gulfo had been Mela’s CEO since 2004, and company documents did not cite a reason for his resignation.

The Irvington, N.Y.-based company named board member Robert Coradini interim CEO and named director David Stone interim chairman until permanent replacements are found.

 VirtualScopics’ CFO quits, moves to Europe
VirtualScopics (NSDQ:VSCP) CFO, chief business officer and senior VP Molly Henderson resigned to move to Europe with her family. Henderson worked at VirtualScopics for more than 10 years, seeing the company through its initial public offering. VirtualScopics is currently looking for a new CFO.

"On a more personal note Molly has been a true partner of mine in leading the company through some very exciting as well as challenging times and was the initial architect of our strategy to expand into personalized medicine," CEO Jeff Markin said in prepared remarks.
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 Revolutions Medical CFO puts in resignation notice
Revolutions Medical (PINK:RMCP) CFO Burt Hodges quit last week without citing a reason in his resignation letter.
 The Charleston, S.C.-based company company brought on Hodges into the fold in 2011.
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 Natus looses a board member
Mark Michael, Natus Medical (NSDQ:BABY) board member, quit last week. His resignation took effect immediately, but regulatory filings said there were "no disagreements" between Michael and the device company.
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 Spectranetics board member resigns without cause
Spectranetics (NSDQ:SPNC) board member Dr. Craig Walker resigned without citing a cause. Walker, a cardiac physician who founded the Houma Heart Clinic in Louisiana, did not serve on any committees at Spectranetics before his departure.
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