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Mark Hamman

Chief Executive Officer

Mark Hamman has been CEO of PHS since 2011. Growing up alongside the family-based company, he spent time in various roles throughout a number of departments before officially joining the team as Sales and Contract Manager in 2004. Mark has more than 14 years of experience in sales and more than 10 years in the clinical services industry.

As CEO, Mark helps develop long-range goals and objectives and formulate and administer company policies. He also oversees all PHS day-to-day operations.