HTG Molecular Diagnostics, Inc. announced the promotion of John Lubniewski to President and Chief Operating Officer. Lubniewski has served as HTG's chief business officer for the past seven years, bringing over three decades of experience in the life science industry. Lubniewski has served as its Chief Business Officer since April 2011. He joined HTG from Ventana, a medical diagnostics company and member of the Roche Group and global headquarters of Roche Tissue Diagnostics, or RTD. Lubniewski served in several senior leadership roles and was responsible for marketing and global accountability for all clinical assay products.