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Quest Diagnostics jobs and careers

Lewisville, TX, United States. Jobs in Lewisville

As of November 12, 2026, Quest Diagnostics has 29 open roles in 19 cities.

Headquartered in Lewisville, hiring in 19 cities
29Open roles

About Quest Diagnostics

Quest Diagnostics is a clinical laboratory that offers diagnostic testing, services, and information.

Founded in 1959 by Paul Brown.

Founded
1959
Employees
10,001+
Total funding
$2.6B
Headquarters
Lewisville
Hiring in
19 cities

Leadership

The top of Quest Diagnostics's org chart, with how many people report into each leader.

JDPhoto of James E. Davis

James E. Davis

Chairman, CEO & President

1,337 reports

MDPhoto of Mark E. Delaney

Mark E. Delaney

SVP & Chief Commercial Officer

340 reports

MBPhoto of Murali Balakumar

Murali Balakumar

SVP & Chief Information & Digital Officer

270 reports

YD

Yuri Fesko M.D.

Senior Vice President, Chief Medical Officer

215 reports

ABPhoto of Al Bowles

Al Bowles

Senior Vice President

144 reports

CMPhoto of Cecilia Mckenney

Cecilia Mckenney

SVP & CHRO

120 reports

SSPhoto of Sam Samad

Sam Samad

EVP, CFO

69 reports

DSPhoto of Dermot Shorten

Dermot Shorten

SVP, Strategy, M&A & Ventures

51 reports

ABPhoto of Adrienne Brott

Adrienne Brott

SVP & Chief Quality & Regulatory Affairs Officer, Quest Diagnostics

43 reports

Board

TDPhoto of Tracey C. Doi

Tracey C. Doi

Director

WLPhoto of Wright L. Lassiter

Wright L. Lassiter

Director

GPPhoto of Gary M. Pfeiffer

Gary M. Pfeiffer

Director

VGPhoto of Vicky B. Gregg

Vicky B. Gregg

Director

TMPhoto of Timothy L. Main

Timothy L. Main

Director

GWPhoto of Gail R. Wilensky

Gail R. Wilensky

Director

Open roles at Quest Diagnostics 29

Quest Diagnostics jobs: common questions

Is Quest Diagnostics hiring right now?
Yes. Quest Diagnostics has 29 open roles listed as of November 12, 2026.
Where is Quest Diagnostics hiring?
Quest Diagnostics is hiring in 19 cities. The most open roles are in Royal Oak (5), Grand Rapids (4) and Shakopee (3).
Where is Quest Diagnostics headquartered?
Quest Diagnostics is headquartered in Lewisville, TX, United States and was founded in 1959.
Who leads Quest Diagnostics?
James E. Davis, Chairman, CEO & President, is at the top of Quest Diagnostics's org chart.
How do I apply for a job at Quest Diagnostics?
Pick a role on Quest Diagnostics's TheJobsMap page and select Apply. Every listing links to the original posting on Quest Diagnostics's own careers site, so you apply directly with the employer.