10 Labcorp operations leaders
Chief operating officer, vice president of global operations and vice president of laboratory operations are among the roles held by these ten Labcorp operations leaders. A reader can learn how operations leaders work at Labcorp from people who have held the role.
Professionals to explore
Andrea L. Throop
LinkedInExperience: VP of Laboratory Operations · Labcorp
Andrea L. Throop has been VP of Laboratory Operations at Labcorp since February 2016, based in Phoenix and tagged at president or vice president level in operations. Andrea L. Throop was Production Manager at the Center of Personal Diagnostics Biodesign Institute (2013–2016), Clinical Laboratory Manager at Family Practice Specialists (2012–2014) and Adjunct Faculty at Rio Salado College (2012–2016).
Brian Maron
LinkedInExperience: Vice President, Head, Global Operations · Labcorp
Brian Maron has been Vice President, Head, Global Operations at Labcorp since November 2023, based in Madison, Wisconsin. Brian Maron also holds Vice President, Head, Global Laboratory Operations, Immunology and Immunotoxicology (since 2021), and was Executive Director, Global Operations, Immunology & Immunotoxicology (2017–2020), Executive Director, Global Operations (2015–2016) and Director of Operations (2014–2015) at Covance.
Chris Dillinger
LinkedInExperience: Vice President of Lab Operations · Labcorp
Chris Dillinger has been Vice President of Lab Operations at Labcorp since January 2021, based in Canal Winchester, Ohio and tagged at president or vice president level in operations. Chris Dillinger was Regional Director Of Operations at Labcorp (2019–2021), and Director, Operational Excellence -Center of Excellence and Training (2013–2018) and Director, Operational Excellence Deployment Leader/Master Black Belt (2007–2012) at Cardinal Health.
Elise Wagner
LinkedInExperience: Vice President, Laboratory Operations · Labcorp
Elise Wagner has been Vice President, Laboratory Operations at Labcorp since March 2022, based in Raritan, New Jersey; the profile describes a board-certified clinical chemist serving as vice president of laboratory operations for the Labcorp Raritan regional laboratory. Elise Wagner was Laboratory Director at Labcorp (2020–2022) and Associate Director, Safety Testing at Covance (2017–2020).
Jennifer Dalton
LinkedInExperience: Vice President Operations · Labcorp
Jennifer Dalton has been Vice President Operations at Labcorp since March 2023, based in Liberty, North Carolina; the profile headline names Women's Health and Genetics. Jennifer Dalton was Site Director Integrated Genetics (2021–2023), Site Director Consumer Genetics (2020–2021), Laboratory Manager III (2018–2020) and Supervisor II Genomics and BioSample Processing (2016–2018) at Labcorp.
Kerri Markowski-Grochowski
LinkedInExperience: Vice President Operations & Transformation · Labcorp
Kerri Markowski-Grochowski has been Vice President Operations & Transformation at Labcorp since February 2022, based in Milwaukee; the profile says the role leads the operational transformation of a national inpatient and outpatient laboratory network. Kerri Markowski-Grochowski was Senior Director, Inpatient Service Strategy at Labcorp (2017–2022) and Regional Operations Excellence Director at ACCUMEN (2016–2017).
Mark Schroeder
LinkedInExperience: EVP & COO, Labcorp | President, Labcorp Diagnostics · Labcorp
Mark Schroeder has been EVP & COO, Labcorp | President, Labcorp Diagnostics since May 2023, tagged at president or vice president level in general management. Mark Schroeder was Executive Vice President and President, Diagnostics Laboratory Operations and Global Supply Chain (2019–2023), Chief Supply Chain Officer (2016–2019) and Senior Vice President, Integrated Genetics, Oncology and Supply Chain Operations (2007–2016) at Labcorp.
Mark Slette
LinkedInExperience: Senior Vice President, Global Operations & Strategic Transformation · Labcorp
Mark Slette has been Senior Vice President, Global Operations & Strategic Transformation at Labcorp since January 2026, based in McHenry, Illinois. Mark Slette was Vice President, Global Operations & Strategic Transformation (2025–2026), Vice President, Global Client Delivery (2022–2025) and Senior Director - Global Project Management (2021–2022) at Labcorp, and Senior Director - Global Project Management at Covance (2019–2021).
Mary Williamson, MT(ASCP), PhD, NRCC (CC), NYS CoQ
LinkedInExperience: Vice President, Lab Operations Atlantic Division & Center for Esoteric Testing Units · Labcorp
Mary Williamson, MT(ASCP), PhD, NRCC (CC), NYS CoQ has been Vice President, Lab Operations Atlantic Division & Center for Esoteric Testing Units at Labcorp since April 2024; the profile lists oversight of more than 200k accessions a day for the Atlantic Division Regional Laboratory. Mary Williamson also holds Vice President Lab Operations, Northeast & North Central Divisions (since 2022), and was Vice President, Scientific Affairs & Global Laboratory Operations at ACM Global Laboratories (2013–2017).
Stephane Sidobre
LinkedInExperience: Vice President Global Laboratory Operations · Labcorp
Stephane Sidobre has been Vice President Global Laboratory Operations at Labcorp since January 2026, based near Geneva; the profile says the role provides senior leadership for Labcorp's Central Laboratory operations and leads laboratory testing strategy globally. Stephane Sidobre was Vice President Bioanalytical and CMC Services (2025–2026), Vice President, Head Global Bioanalytical Services (2019–2026) and Senior Director Global Testing Services EMEA (2014–2019) at Labcorp.
Choose the right perspective
Pick the person whose own title and operating area sit closest to your question, and check the dates on each role. Match scope as well, since a leader running one site or function and one running operations across a region or business will answer from different vantage points.
Questions to take into the conversation
- 01What took most of your time in your current operations role, and how did you decide what to handle yourself and what to delegate?
- 02How did you work with other functions when their priorities pulled against operational goals?
- 03What did you carry over from earlier roles that changed how you run operations?
Reaching Labcorp operations leaders
How can I contact one of these Labcorp operations leaders?
Pick one of the 10 people on this page and choose "Book a paid call", or describe your project to find others. You offer a fee for a 15-minute call or a written answer, Instant Expert finds the person's work email and sends the invitation, and they decide whether to accept. The list covers 1 company: Labcorp, based on profile data retrieved on October 17, 2026. Being listed here doesn't mean someone has agreed to take calls.
How much does it cost to reach Labcorp operations leaders?
You choose the offer, starting at $5 per person. The offer is what the person receives, and Instant Expert's fee is added on top, so a $100 offer costs you $125. The fee is 20% of what you pay. You're charged only when the person books the call or sends the answer.
What if they don't reply?
You pay nothing. Instant Expert sends follow-up reminders, and if the person hasn't booked or answered within 7 days, the request expires and any hold on your card is released. You can invite several of the 10 people on this list at once and cap your total spend, so you pay only for the ones who accept.
Can an AI agent ask one of these Labcorp operations leaders a question?
Yes. An agent with a USDC wallet on Base can ask one question without an Instant Expert account. It names the person, for example by the LinkedIn URL on this page, and pays per ask over x402 (HTTP 402). The person answers in writing or by voice note, and if nobody answers within 7 days, the payment goes back to the wallet automatically. Claude and ChatGPT can do the same through the Instant Expert connector: setup is at /docs/mcp for Claude and /docs/chatgpt for ChatGPT. x402 docs
About this directory
This is a professional research starting point based on business profile data retrieved on . Titles and companies reflect that source snapshot; roles marked former had ended by then. Check the linked profiles for current details. Inclusion does not imply Instant Expert membership or availability.
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