SAN DIEGO--(BUSINESS WIRE)--Polynoma LLC, a U.S. oncology-focused biotechnology company within Hong Kong-based CK Life Sciences Int’l., (Holdings) Inc., today announced the expansion of the Company’s senior leadership team with the appointments of Sara Zaknoen, MD, Chief Medical Officer, Andrew Buckland, Chief Financial Officer and Patrick Mallon, Chief Operating Officer. All three have extensive backgrounds in the life sciences industry and proven track records in development and commercialization.