Dean Li Biography and Net Worth

VP of Merck & Co., Inc.

Dean Li serves as executive vice president and president of Merck Research Laboratories. He leads the company’s worldwide human vaccines and therapeutics research and development organization.

Since joining Merck in 2017, Li has held leadership roles in the translational medicine and discovery functions and was appointed to president, Merck Research Laboratories in January 2021.

Prior to joining Merck, Li held positions of increasing responsibility in translational medical research at the University of Utah. Most recently he served as the H.A. & Edna Benning professor of medicine and cardiology, chief scientific officer, associate vice president and vice dean at the University of Utah Health System. From 2015 to 2016, he also served as interim CEO of Associated Regional University Pathologists, one of the United States’ largest clinical reference laboratories. During his tenure at the University of Utah, he co-founded several biotechnology companies based upon research conducted in his laboratory, including Recursion Pharmaceuticals, Hydra Biosciences and Navigen Pharmaceuticals.

Li received his bachelor’s degree in chemistry from the University of Chicago and his graduate and clinical training at Washington University School of Medicine in St. Louis. Li is a cardiologist, a member of the American Society for Clinical Investigation and the Association of American Physicians.

What is Dean Y. Li's net worth?: The estimated net worth of Dean Y. Li is at least $12.03 million as of February 4th, 2026. Li owns 102,270 shares of Merck & Co., Inc. stock worth more than $12,034,111 as of February 10th. This net worth approximation does not reflect any other assets that Li may own. Additionally, Li receives an annual salary of $3,610,000.00 as VP at Merck & Co., Inc.. Learn More about Dean Y. Li's net worth.
How old is Dean Y. Li?: Li is currently 61 years old. There are 5 older executives and no younger executives at Merck & Co., Inc.. The oldest executive at Merck & Co., Inc. is Mr. Sanat Chattopadhyay, Executive VP & President of Merck Manufacturing Division, who is 64 years old. Learn More on Dean Y. Li's age.
What is Dean Y. Li's salary?: As the VP of Merck & Co., Inc., Li earns $3,610,000.00 per year. The highest earning executive at Merck & Co., Inc. is Mr. Robert M. Davis J.D., Chairman, President & CEO, who commands a salary of $5,570,000.00 per year. Learn More on Dean Y. Li's salary.
How do I contact Dean Y. Li?: The corporate mailing address for Li and other Merck & Co., Inc. executives is 2000 GALLOPING HILL ROAD, KENILWORTH NJ, 07033. Merck & Co., Inc. can also be reached via phone at (908) 740-4000 and via email at [email protected]. Learn More on Dean Y. Li's contact information.
Has Dean Y. Li been buying or selling shares of Merck & Co., Inc.?: Over the course of the past ninety days, Dean Y. Li has sold $1,791,882.99 of Merck & Co., Inc. stock. Most recently, Dean Y. Li sold 15,087 shares of the business's stock in a transaction on Wednesday, February 4th. The shares were sold at an average price of $118.77, for a transaction totalling $1,791,882.99. Following the completion of the sale, the vice president now directly owns 102,270 shares of the company's stock, valued at $12,146,607.90. Learn More on Dean Y. Li's trading history.
Who are Merck & Co., Inc.'s active insiders?: Merck & Co., Inc.'s insider roster includes Sanat Chattopadhyay (Insider), Frank Clyburn (EVP), Robert Davis (CFO), Richard Deluca (EVP), Cristal Downing (Insider), Kenneth Frazier (Insider), Julie Gerberding (EVP), Clark Golestani (EVP), Chirfi Guindo (CMO), Michael Holston (EVP), E III (SVP), Rita Karachun (VP), Dean Li (VP), Caroline Litchfield (CFO), Steven Mizell (EVP), Johannes Oosthuizen (Insider), Joseph Romanelli (Insider), Inge Thulin (Director), Ashley Watson (SVP), Wendell Weeks (Director), David Williams (Executive vice president, chief information & digital officer), and Jennifer Zachary (EVP). Learn More on Merck & Co., Inc.'s active insiders.
Are insiders buying or selling shares of Merck & Co., Inc.?: During the last year, insiders at the sold shares 12 times. They sold a total of 333,052 shares worth more than $39,354,502.05. The most recent insider tranaction occured on February, 9th when CMO Chirfi Guindo sold 10,000 shares worth more than $1,184,100.00. Insiders at Merck & Co., Inc. own 0.1% of the company. Learn More about insider trades at Merck & Co., Inc..
Information on this page was last updated on 2/9/2026.

Dean Y. Li Insider Trading History at Merck & Co., Inc.

Transaction Date	Buy/Sell	Number of Shares	Average Share Price	Total Transaction	Shares Held After Transaction	Details
2/4/2026	Sell	15,087	$118.77	$1,791,882.99	102,270

Dean Y. Li Buying and Selling Activity at Merck & Co., Inc.

Merck & Co., Inc. Company Overview

Merck & Co., Inc. is a health care company, which engages in the provision of health solutions through its prescription medicines, vaccines, biologic therapies, animal health, and consumer care products. It operates through the following segments: Pharmaceutical, Animal Health, and Other. The Pharmaceutical segment includes human health pharmaceutical and vaccine products. The Animal Health segment discovers, develops, manufactures, and markets animal health products, such as pharmaceutical and vaccine products, for the prevention, treatment and control of disease in livestock, and companion animal species. The Other segment consists of sales for the non-reportable segments of healthcare services. The company was founded in 1891 and is headquartered in Rahway, NJ.

Today's Range

Now: $117.67

$116.98

$121.88

50 Day Range

MA: $106.89

$96.91

$121.92

2 Week Range

Now: $117.67

$73.31

$122.66

Volume

16,154,340 shs

Average Volume

13,365,909 shs

Market Capitalization

$292.06 billion

P/E Ratio

16.16

Dividend Yield

2.79%

Beta

0.28

Dean Li Biography and Net Worth

What is Dean Y. Li's net worth?

How old is Dean Y. Li?

What is Dean Y. Li's salary?

How do I contact Dean Y. Li?

Has Dean Y. Li been buying or selling shares of Merck & Co., Inc.?

Who are Merck & Co., Inc.'s active insiders?

Are insiders buying or selling shares of Merck & Co., Inc.?