Sutro Biopharma, Inc. announced the appointment of two executives to the company's leadership team. Nicole M. Chieffo, MBA, has joined as Vice President of Clinical Operations and Werner Rubas, Ph.D., has joined as Vice President of Preclinical Development. Nicole Chieffo has over 25 years of clinical operations and development experience. Nicole joins Sutro from Janssen Pharmaceuticals where she previously held Sr. Director, Oncology Global Operations Head and Lead Oncology Clinical Scientist positions. Nicole worked directly with Janssen's medical oncology and hematology physician team leaders in advancing the Early and Late-Stage Research and Development portfolio. Formerly, Dr. Rubas was at Nektar Therapeutics for over nine years, most recently as Executive Director in Non-Clinical Pharmacokinetics and Pharmacodynamics. At Nektar he provided leadership support, directed the generation of data packages for regulatory submissions of NKTR-214, NKTR-358, NKTR-262 and NKTR-255, filed a patent application for an immunotherapeutic tumor treatment method, and provided scientific input on cross-functional teams from research concepts to late stage development.