Summit Therapeutics lists 10 executives, led by Robert W. Duggan, Co-CEO & Executive Chairman (age 81). Manmeet Singh Soni CPA is the company's COO, CFO & Director (age 47).
In fiscal year 2025 the highest-paid executive was Mahkam Zanganeh D.D.S., M.B.A., Co-CEO, President & Director, with total pay of $1.03 million. The 3 executives with reported pay received $2.22 million in all.
The average age of the executives with a known age is 61; the youngest is 47 and the oldest 81.
Titles, ages and pay from company filings; pay for fiscal year 2025.

Co-CEO & Executive Chairman
Co-CEO, President & Director
COO, CFO & Director
Co-Founder, Chairman of Scientific Advisory Board and Scientific Advisor
Chief Accounting Officer & Head of Finance
Senior Director of Investor Relations
Chief Legal Officer
Chief Business & Strategy Officer
Chief Biometrics Officer
Chief Regulatory, Quality & Pharmacovigilance Officer
| Executive | Title | Age | Total pay |
|---|---|---|---|
| Mahkam Zanganeh D.D.S., M.B.A. | Co-CEO, President & Director | 55 | $1.03 million |
| Manmeet Singh Soni CPA | COO, CFO & Director | 47 | $1.03 million |
| Robert W. Duggan | Co-CEO & Executive Chairman | 81 | $172,376 |
Total pay as reported for the fiscal year; it can include salary, bonus and stock awards.
Robert W. Duggan (Co-CEO & Executive Chairman), age 81; total pay in fiscal year 2025 was $172,376.
Manmeet Singh Soni CPA (COO, CFO & Director), age 47.
Mahkam Zanganeh D.D.S., M.B.A., Co-CEO, President & Director, with total pay of $1.03 million in fiscal year 2025.
Robert W. Duggan (Co-CEO & Executive Chairman), Mahkam Zanganeh D.D.S., M.B.A. (Co-CEO, President & Director), Manmeet Singh Soni CPA (COO, CFO & Director), Kay Elizabeth Davies DBE, FRS CBE (Co-Founder, Chairman of Scientific Advisory Board and Scientific Advisor) and Bhaskar Anand (Chief Accounting Officer & Head of Finance), and 5 more.