Media Center

Assets intended for use by media professionals.

For general media inquiries only, please call +1 908-740-5633 or e-mail Media Relations. Members of the media seeking information on a specific topic may also contact the following individuals:

Elizabeth Cooney

Title: Enterprise Social Media
Office Phone: +1 267-305-1158

Pamela Eisele

Title: Product, Pipeline & Supply Media Relations
Office Phone: +1 267-305-3558

Claire Gillespie

Title: Corporate Media Relations
Office Phone: +1 267-305-0932


Additional Contacts


For consumer or patient-related questions, please contact your physician, pharmacist or other health care provider.

To report an adverse experience with a specific Merck product, please call the Merck National Service Center at +1 800-672-6372.

Health Care Professionals:

If you are a physician, pharmacist or other health care provider and have a question(s) or need information about a specific Merck product or service, please call the Merck National Service Center for Health Care Professionals at +1 866-448-7590.

For Stock Holders:

Tel: +1 800-522-9114
Monday-Friday, 7AM – 7 PM CST

For Institutional Investors and Analysts:

Tel: +1 908-423-5881
Monday-Friday, 8:30 AM – 4 PM ET

Merck Corporate



Kenneth C. Frazier




Company Snapshot

From developing new therapies that treat and prevent disease to helping people in need, we're committed to improving health and well-being around the world. Visit our About Us section.


Everything you need to know about Merck.


Our pipeline is continually evolving and is updated quarterly.


How we govern ourselves as a company is as important as anything else we do.

Join the Conversation

Connect with us on Facebook, Twitter, and LinkedIn to learn more about our corporate initiatives, including those in health and wellness, philanthropy and corporate responsibility.

Elizabeth Cooney, Social Media +1 267-305-1158

Please read our social media guidelines.

$MRK has entered into a definitive agreement to acquire Peloton Therapeutics, a #cancer biotech:… hours 42 min ago
Check out our latest triple negative #breastcancer news: $MRK hours 55 min ago
Clinical trials bring tremendous value to our mission of #InventingForLife. This #CTD2019 we want to thank our pati… day 1 hour ago
This #MilitaryAppreciationMonth three of our own veterans will share their story of transition from military life t… days 4 hours ago
Learn more about the #type2diabetes data we will be presenting at #ADA2019: $MRK days 22 hours ago
Patients are and always will be at the core of our mission towards #InventingForLife. This #CTD2019 we want to thank all who participate in clinical trials to help move scientific discoveries from the lab, to the patients with unmet medical needs.
Clinical Trials Day
about 1 day 1 hour ago
Nutrition Fact labels are getting a makeover. Click the link to learn how to read the new labels to start a #heathylifestyle today: m​e​r​c​k​.​u​s​/​2​V​3​D​t​a​d
about 2 days 6 hours ago
Transitioning from the military back to civilian work life brought a variety of challenges for our Veterans, Sandra, Craig and Shelia. This #MilitaryAppreciationMonth, learn about their journey from military to Merck on a special edition of Military Makeover: Operation Career airing on Lifetime May 23rd at 7:30 AM!
about 4 days 3 hours ago