SAN MATEO, Calif.--(BUSINESS WIRE)--Entelos Holding Corp. (“Entelos” or the “Company”), a premiere provider of in silico modeling and simulation products and services that help pharmaceutical and consumer product companies make informed decisions in their product development process, today announced that Mark Hovde has joined the senior management team of the Company as Vice President of Sales and Marketing and Will Frederick has joined the senior management team as Chief Financial Officer, effective immediately.