INTEGRIS Bennett Fertility

We're here for you – whenever you need us.

Program Director

David Kallenberger, M.D.

Medical Director

Eli Reshef, M.D.

Laboratory Director 

J.W. Edward Wortham Jr., Ph.D., HCLD

Education and Board Certification

  • B.S. Arkansas State University
  • M.S. Arkansas State University
  • Ph.D. Southern Illinois University
  • American Board of Bioanalysis, High Complexity Laboratory Director, 1994
  • American Board of Biola, Embryology Lab Directory

Current Appointments

  • Laboratory Director, Bennett Fertility Institute
  • President and Director, Reproductive Diagnostic Center, Tulsa
  • Collegiate Fellow, Department of Biological Sciences--University of Tulsa
  • Laboratory Director, Fertility Institute of New Orleans


  • Sigma Xi (1984)
  • Phi Kappa Phi (1990)

Local and National Activities

  • College of American Pathology/American Society of Reproductive Medicine
  • Reproductive Laboratory Accreditation Program Inspector, 1992present
  • United Methodist Church, Tulsa District Chairman, Lay Speakers Committee
  • Ad hoc Reviewer, Fertility and Sterility
  • Member and Past President, board of directors, Community Mental Health Center

Nursing Staff

Karen Johnson, RN, Team Manager

EggDonor Coordinator

  • Abbott -Nort hwestern Hospital School of Nursing
  • Egg/Embryo Donation Coordinator
  • Community Outreach Coordinator

Kimberly Clark, RN

SART Data Coordinator

  • B.S.N., University of Central Oklahoma

Jamie Leonard, RN

Infertility Support Group Facilitator
Chair-ElectNurses Professional Group (ASRM)

  • B.S.N., University of Central Oklahoma

Chris Aldridge, RN

Education and Board Certification

  • A.D.N., Oklahoma State University - Oklahoma City

Laboratory Staff

Sharon A. O'Donnell, MT(ASCP), TS(ABB), IVF Lab Manager

Education and Board Certification

  • AS., St. Gregory's College, Shawnee, Oklahoma
  • B.S., University of Oklahoma Health Sciences Center
  • M.T., American Society oClinical Pathologists
  • Technical Supervisor (ABB) of Embryology and Andrology
  • ACLS Certified

Lindsey Mays

Education and Board Certification

    • BS, Animal Sciences and biotechnology

    Kendra Myers
    Embryology Technician

    Education and Board Certification

        • B.S. Zoology – Biomedical Sciences, University of Oklahoma
        • B.A. Criminology, University of Oklahoma

        Cassie Miller
        Embryology Technician

        Education and Board Certification

              • B.S. - Medical Technology
              • M.T. (ASCP)

              Participating Physician

              J. Clark Bundren, M.D.
              Infertility, Obstetrics and Gynecology