Reaction Biology, a provider of drug discovery services, has appointed Richard S. Kollender to the positions of Chief Financial Officer (CFO), Chief Business Officer (CBO) and member of the Executive Committee, effective immediately, to further strengthen the leadership team and support the Company’s next stage of growth.    “We are thrilled to welcome Rich, a seasoned healthcare finance and operations executive, to the Executive Committee of Reaction Biology,” said John H. Johnson, Chief Exec...