About Stone Clinical Laboratories

Powered by the latest research and technology, Stone Clinical Laboratories is a boutique full-service clinical reference laboratory that specializes in preventative diagnostic testing.



Stone Clinical Laboratories has its roots in the services provided by Stone Surgical, a medical services based company founded in 2008, dedicated to bringing leading-edge techniques and technology to examination rooms and surgical suites alike. The company distributed medical device implants in the neuro, spine, and orthopedic markets, later expanding into laboratory services.

As Stone Surgical‘s offerings continued to evolve, Stone Clinical Laboratories was created to encompass a wider variety of services, including Chemistry, Microbiology, Molecular, Pharmacogenetic Testing, Hematology, Pathology, Prescription Drug Monitoring and Cytology- all solutions designed to meet new challenges in the constantly changing and dynamic field of medicine.

Today, Stone Clinical Laboratories serves as a much-needed specialty lab for physician practices and hospitals, as well as other laboratories throughout the United States. Stone is your industry-leading single source solution. With the launch of our flagship product, StoneWash, we bring the ability to test not only vaginal and anal sexually transmitted infections, but oral infections as well with non-invasive methods. Our methods have high sensitivity and specificity making our innovative products clinically meaningful, actionable, and necessary in controlling sexually transmitted infections.

As Stone Clinical Laboratories evolves into the leading molecular and genetic based patient centered care facility, our innovation and partnerships drive our business. Our lab and payor networks allow us to partner with any lab and type of insurance. Likewise, our on-demand system enables you to receive test results instantaneously.

Our Leadership

Our Lab


About Our Lab

Located in the heart of downtown New Orleans, Stone Clinical Laboratories offers state of the art technology in a beautifully designed space.

Beauty and science are combined in one space to provide the best boutique laboratory services available in today’s market.

Schedule a tour of our lab the next time you are in New Orleans. Our staff is always happy to welcome visitors.

Advanced Machinery

Hematology & Chemistry

  • Siemens Dimension Vista 500 (serum chemistry)
  • Siemens Advia Centaur XP (serum immunoassays)
  • Siemens Advia 2120 (hematology)

Molecular Diagnostics

  • COBAS 4800 by Roche®
  • COBAS 6800 by Roche®
  • BioFire FilmArray®
  • ThermoFisher® Thermocyclers


  • Hamilton Nimbus DNA Extraction instrument
  • Agena MassARRAY analyzer


  • 6 Agilent 6460 LC-MS/MS instruments
  • CLC-1600 (urine drug screen and validity testing)
  • Tecan Freedom Evo (liquid handler for toxicology samples)
  • Biotage Extrahera (toxicology sample extraction)



Christopher Ridgeway

CEO & Founder

Christopher began his career in medical devices and implants, holding leadership roles in both Sales and Sales Management and winning several national sales awards along the way.  He parlayed his industry knowledge and experience into his own firm, Stone Surgical, before joining a major toxicology and genetics lab as General Manager. Seeing a need in the market for a boutique laboratory with a full clinical offering, Christopher opened Stone Clinical Laboratories in his hometown of New Orleans in 2015.

He is a graduate of the University of Mississippi and also studied in Innsbruck, Austria. Christopher and his family reside in New Orleans.

You can email Christopher at cridgeway@stoneclinicallabs.com

Blair Barbier

Chief Financial Officer

Blair brings over 10 years of experience as a Chief Financial Officer to Stone Clinical Laboratories after serving as the financial officer for multiple service firms within the Oil and Gas industry.  His areas of expertise include Financial and Risk Management and Operational Controls.  He graduated from LSU with a degree in Finance and is well known for his athletic accomplishments during his tenure at LSU.

You can email Blair at bbarbier@stoneclinicallabs.com

Brad Esarey

Chief Commercial Office


Brad’s extensive experience includes executive positions with Andrx Pharmaceuticals as well as Schering Plough Pharmaceuticals. Brad also served as Vice President of PGXL Laboratories for 11 years. He built the commercial operations for PGXL, the first CLIA certified laboratory to offer pharmacogentic testing. Brad received his undergraduate degree from the University of Louisville.

He is an accomplished youth football coach and an active community volunteer.

You can email Brad at besarey@stoneclinicallabs.com

Bernadette M. Mandes-Wildemore, MD

Director of Genomics

Bernadette, affectionately known as Dr. B, began her professional career at PCG Molecular in Dahlonega, GA. Prior to PGG Molecular, Dr. B has completed fellowships at Dana Farber Cancer Institute and Harvard Medical School/Brigham Women’s Health in Boston, MA. She completed medical school at Thomas Jefferson University Hospital in Philadelphia, PA where she went on to complete her residency in the Department of Pathology at Thomas Jefferson University Hospital. Her undergraduate degree in Biology is from Rutgers University in New Brunswick, NJ.


Dr.B has authored over 20 peer reviewed publications and presented nationally and internationally at over 20 different conferences. Dr. B is a member of the American Society for Clinical Pathology, American Society of Microbiology, Association for Molecular Pathology, and the College of American Pathologists.

You can email Bernadette at bwildemore@stoneclinicallabs.com

Tiffany Montgomery, MPH, MB (ASCP)

Director of Clinical and Medical Operations

Tiffany began her professional career at Vanderbilt University Medical Center working in immunology and infectious disease. She has gone on to work in senior for Foundation Medicine in Cambridge, MA and PCG Molecular in the Metro Atlanta Area. She completed her Master of Public Health at Wright State University in Dayton, OH with a concentration in Infectious Disease and Epidemiology and her undergraduate degree in Biology is from Tuskegee University in Tuskegee, AL.


Tiffany is a member of the American Society for Clinical Pathology, Association for Molecular Pathology, and the Delta Sigma Theta Sorority, Inc.

You can email Tiffany at tburton@stoneclinicallabs.com


Michael Hoffman

Sr. Director of Managed Care

Michael has over 18 years of Managed Care experience, the last 10 in the laboratory/ diagnostic space. He has served as Sr. Director of Managed Care for PGx Health, Transgenomic, Metamark Genetics and Good Start Genetics and has secured in network agreements with numerous national and regional health plans.

Michael received his undergraduate degree from Northern Illinois University.

Michael resides in Chicago. He is an accomplished youth track and field coach and is active in his children’s school community.

You can email MHoffman@stoneclinicallabs.com

Aaron Mark

National Sales Director

Aaron joins Stone Clinical Laboratories with a strong track record of sales management success with BioConfirm, Physicians Choice Lab Services/Health Track Rx as well as substantial sales success in both the pharmaceutical and medical device fields. A Circle of Excellence and President’s Club winner, Aaron brings a robust skill set to the SCL leadership team. He is a graduate of The University of Missouri and has completed numerous sales training course.

You can email Aaron at: amark@stoneclinicallabs.com

Michael Perritt

Director of Business Operations & Supply Chain

Michael Perritt has worked in the clinical laboratory field for over 20 years and worked at all levels of laboratory science, from phlebotomist to administration. He has accrued clinical laboratory (hospital, anatomical, cytology and reference) expertise during his career and supported several successful laboratories. Michael is a son of Louisiana, achieved his undergraduate at La. Tech University in Clinical Laboratory Science, completed his Masters in Management and Leadership at Liberty University and is preparing to begin PhD. studies with Piedmont University. Michael and his family have spent the past two decades in the Dallas, Texas area and will be relocating to the New Orleans area.

You can reach Michael at mperritt@stoneclinicallabs.com

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