TOP TALENT FROM DIVERSE BACKGROUNDS

Filter View:

BOARD OF DIRECTORS

Headshot of Masayuki Kobayashi

Masayuki Kobayashi

PRESIDENT & REPRESENTATIVE DIRECTOR

Taiho Pharmaceutical Co., Ltd.

Masa has held the position of President since April 2012, having joined Taiho Pharmaceutical Co., Ltd. in 1993. In his over 25 years with the organization, he considers the formation of Taiho Oncology Inc., his greatest accomplishment, and is most proud of his role as head of Taiho Global. He brings a background in political and law studies, as well as his extensive business experience.

Beyond his position at Taiho, Masa works with a variety of other organizations. He currently serves as Vice Chairman of the Pharmaceutical Association of Tokushima Prefecture in Japan, Committee Member of the Japan Pharmaceutical Manufacturers Association, and Councilor at the Federation of Pharmaceutical Manufacturers in Japan, Pharmaceutical Manufacturers Association of Tokyo, and the Kobayashi Foundation for Cancer Research.

Headshot of Peter Melnyk

Peter Melnyk

President & CEO

Taiho Oncology, Inc.

Peter assumed the role of President & Chief Executive Officer in January 2026. He came to Taiho Oncology with more than 30 years of proven experience in oncology commercialization and leadership across pharmaceuticals, medical devices and biotech sectors. Peter joined Taiho Oncology from Alpha Tau Medical, where he was the Chief Commercial Officer and former board member and led the global commercialization efforts for a novel alpha-emitting radiotherapeutic. He was also the CEO of Fortovia Therapeutics and drove the transformation and portfolio expansion in oncology supportive care. In addition, Peter was the Chief Commercial Officer at Novocure.

U.S. LEADERSHIP TEAM

Taiho Oncology’s U.S. leadership team brings strong guidance and insight to the North American marketplace, while staying true to Taiho’s legacy of developing the highest quality pharmaceuticals that improve the lives of people everywhere.

Headshot of Peter Melnyk

Peter Melnyk

President & CEO

Taiho Oncology, Inc.

Peter assumed the role of President & Chief Executive Officer in January 2026. He came to Taiho Oncology with more than 30 years of proven experience in oncology commercialization and leadership across pharmaceuticals, medical devices and biotech sectors. Peter joined Taiho Oncology from Alpha Tau Medical, where he was the Chief Commercial Officer and former board member and led the global commercialization efforts for a novel alpha-emitting radiotherapeutic. He was also the CEO of Fortovia Therapeutics and drove the transformation and portfolio expansion in oncology supportive care. In addition, Peter was the Chief Commercial Officer at Novocure.

Headshot of Michael Schick

Michael Schick

Chief Business Officer

Taiho Oncology, Inc.

Michael became Chief Business Officer in 2024. He served as Taiho’s Chief Commercial Officer from 2017 to 2024 and its Vice President of Sales and Marketing from 2013 to 2016. He has been working in oncology since 1996, and began his career in the pharmaceutical and biotech industry at Abbott Pharmaceuticals.

Harold Keer

Chief Medical Officer

TAIHO ONCOLOGY, INC.

Harold Keer, MD, PhD, joined Taiho Oncology as Chief Medical Officer in January 2024. He has more than 25 years of drug development experience in industry and academia. Most recently, Dr. Keer served as Chief Medical Officer at Astex Pharmaceuticals, Inc., where his numerous accomplishments included leading development activities resulting in the approval of Inqovi® for MDS in the U.S. and Canada, and Inaqovi® for AML in the EU and UK.

Headshot of Kazuhiko Okamoto

Kazuhiko Okamoto, CPA, MBA

Senior Vice President, Finance

Taiho Oncology, Inc.

Kazu has held a number of leadership roles since joining Taiho Oncology in February 2010, culminating in his current position as Senior Vice President, Finance. During his tenure, he has also overseen Information Technology, Procurement, and Human Resources, playing a pivotal role in transforming Taiho from a clinical development company into a fully integrated commercial organization.

Volker Wacheck, MD, PhD

Senior Vice President, Head of Clinical Development

TAIHO ONCOLOGY, INC.

Volker joined Taiho Oncology in May 2020 as Vice President, Clinical Development, and was promoted to Head of Clinical Development in 2023. He oversees the clinical development programs of Taiho Oncology's global oncology portfolio from first-in-human trials through registration studies and lifecycle management, including biomarker development and pharmacokinetic studies.

Sushil Rijhwani

Senior Vice President, Clinical and Pharmaceutical Development Management

Taiho Oncology, Inc.

Sushil has more than 23 years of experience in the pharmaceutical industry. He began his career at Bristol Myers Squibb where he served in various roles, including as leader of the Decision Analysis Group for Oncology. He later joined Daiichi Sankyo, Inc. where he led the Project Management Office and global portfolio management activities before joining Taiho Oncology.

Headshot of Chris Jewell

Chris Jewell

Senior Vice President and General Counsel

Taiho Oncology, Inc.

Chris was promoted to Taiho Oncology, Inc.’s Senior Vice President and General Counsel in January 2020. Chris’ work in the legal department has assisted Taiho in transforming the legal function primarily from a development stage contracts department to its present structure of a fully capable legal function within the company.

Kathy Calarco

Senior Vice President, Quality Assurance

TAIHO ONCOLOGY, INC.

Kathy joined Taiho Oncology, Inc. as Vice President, Quality in March 2020. Over the past 14 years, Kathy brought her experience to Johnson & Johnson Pharmaceutical, where she served as Head of Compliance, Scientific Systems and Laboratory Operations. Prior to that, she was part of Merck & Company supporting the Vaccine Division in various leadership roles in Laboratory and Quality.

Ed Chapman

VICE PRESIDENT, Chief Information Officer

TAIHO ONCOLOGY, INC.

Ed became Vice President, Chief Information Officer in 2020. He started at Taiho Oncology in 2013 as Sr. Director, IT and later became VP, IT in 2016. As the first member of the Taiho Oncology IT organization, he has built a team that provides and supports innovative technology solutions, infrastructure, service desk, validation, cyber security, and data privacy for all regions outside of Asia. His responsibilities also include Facilities.