[michaelhoffman]

He's not getting tenure because he doesn't have a PhD. According to LinkedIn, he has a master's degree awarded after four years of study [1], which often indicates someone who did not complete a PhD.

[1] http://www.linkedin.com/pub/frederick-ross/13/81a/47

[droithomme]

According to his 2009 CV he was working a PhD in biology back then and expecting to finish in 2011.

Given that he is not a professor it is not clear why he would be expected to be seeking tenure.