Xtant Medical Holdings, Inc. announced the appointment of Mark Schallenberger as Chief Operations Officer, effective January 16, 2023. Mr. Schallenberger has more than 12 years of orthobiologics experience focused on product development and scientific affairs, having most recently served as Chief Operations Officer at Surgenex, a medical technology manufacturer, since June 2019. Previously, he served as Senior Director of Marketing and Product Development at DCI Donor Services Tissue Bank, beginning in February 2016.

Before that, Mr. Schallenberger served in various roles with increasing responsibility from September 2010 to February 2016 culminating with Director of Scientific Affairs with Xtant Medical, formerly Bacterin International Holdings. Mr. Schallenberger holds a Master of Science in Chemical Biology from The Scripps Research Institute and a Bachelor of Science degree in Chemistry from the University of Montana.