Medical Advisors

Chief Medical Advisors

Deborah Matthew, MD

  • Diplomat of the American Board of Integrative Medicine (ABOIM)
  • Diplomat of the American Board of Anti-Aging and Regenerative Medicine (ABAARM)
  • Oral board examiner for the ABAARM
  • Medical Director of Signature Wellness
  • Advanced Fellow Functional Medicine
  • Best-selling author. International speaker. Private practice doctor. Educator. Wife. Mom.
  • Past-President of the North Carolina Integrative Medicine Society
  • A frequent guest expert on podcasts, radio, and TV news and talk shows, with more than 60 appearances on NBC, ABC, CBS, and FOX.

Greg McKettrick, RPH

  • Compounding Pharmacist at Stanley Pharma Group with 
over 30 years of experience.
  • Developed the Penile Rehabilitation Protocol, a comprehensive 
5-part series treatment plan for men with sexual dysfunction titled “Reversing Erectile Dysfunction and Urinary Incontinence After Prostatectomy or Radiotherapy.”
  • Developed a comprehensive sexual function intake questionnaire.
  • Consults with patients from around the country, working extensively with men suffering from ED & urinary incontinence after treatment of prostate cancer & other medical conditions.

Instructors & Mentors

Dr. Lindsey Berkson

  • Distinguished Scholar at an estrogen think tank at Tulane University (Center for Bio-environmental Research)
  • Author of 20 books including “Hormone Deception” and “Sexy Brain”
  • Hormone Scholar and Thought Leader in Functional Medicine
  • Dual bachelor’s degrees in neurobiology and communication/film from the University of Michigan
  • Master’s degree in nutrition from Goddard College
  • Doctor of Chiropractic degree from the University of Western States
  • Functional Medical Provider at the Naples’ Center for Functional Medicine
  • Institute of Bioidentical Medicine (IOBIM) Medial Board Member

Tabatha Barber, DO

  • Fellow of American College of Osteopathic Obstetricians 
and Gynecologists
  • Board certified through American Osteopathic Board of Obstetricians & Gynecologists
  • NAMS (North American Menopause Society) Certified Menopause Practitioner
  • Board certified through Cleveland Clinic Institute for 
Functional Medicine
  • Certified in O-Shot injections by Dr. Charles Runnels
  • Certified in Diva vaginal laser rejuvenation
  • Triple Board Certified OB/GYN
  • Dedicated her life to studying the intricacies of women’s health
  • Certified in Diva vaginal laser rejuvenation

Dr. Liz Lyster

  • Certified OB/GYN doctor for almost 30 years
  • Midlife Health expert
  • Advanced Training in BHRT & Nutraceutical Replacement Therapy
  • Master of Public Health in Community Health Education
  • Best Selling Author of 2 books: “Dr. Liz’s Easy Guide to Menopause: 
5 Simple Steps to Balance Your Hormones” AND “Feel Like Yourself 
Again and Go for Great: Dr. Liz’s Guide to Thrive at Every Age”

Diana Williams, MSN, RN, FNP-C

  • Founder -Strategic Wellness Center, Functional 
and Anti-Aging Medicine
  • Diplomat of the American Board of Anti-Aging & Regenerative Medicine (A4M)
  • Certified Institute of Functional Medicine

Connie Casebolt, MD

  • Family Medicine Residency 1982-1985​
  • Chief Resident 1984/85​
  • Practiced Family Medicine 1985-2011
  • ​Certified in BHRT 2011​
  • Trained in Functional Medicine starting 2011 and ongoing
  • ​Trained in Ozone Therapies 2015 and ongoing​
  • Trained in multiple aspects of Functional and Integrative Medicine since 2015
  • ​Currently Medical Director Forum Health Greenville-since 2020

Dr. Betsy Greenleaf, DO,FACOOG,FACOG,FPMRS,FAAOPM,MBA

  • Triple board certified in OB/GYN, Female Pelvic Medicine and Reconstructive Surgery and Procedural Medicine and Aesthetics
  • Director of Femversity.com
  • CEO of The Pelvic Floor Store
  • Best Selling Author

Staci Burrell, FNP-C

  • Nurse Practitioner since 1998, focusing mainly on women’s health issues
  • Board Certified by the ANCC
  • Working with bio-identical hormones for men and women since 2009 
  • Participated in the fellowship training program with the American Academy of Anti-Aging Medicine (A4M)

Jeni-Lyn Calabro, MSN, APRN, ANCC BOARD CERTIFIED

  • Over 20 years of healthcare experience​
  • Associate RN degree, Miami-Dade College
  • Bachelor of Science in Nursing, Summa Cum Laude, Kaplan University
  • Master of Science in Nursing, Chamberlain University
  • ANCC Board Certified APRN​
  • Areas of Expertise are Emergency Room Medicine, Urgent Care, Primary Care, Women’s Health, Men’s Health, Oncology, Family Medicine, and Bio-IdenticalHormone Replacement Therapy​
  • Holistic approach to health and wellness​
  • Addressing root causes of signs and symptoms
  • Passionate about continuous learning and patient care

Nicole Bentivegna, MSN, WHNP-BC, AGNP-C

  • Diplomat of the American Board of Anti-Aging & Regenerative Medicine (A4M)
  • Certified by Institute of Functional Medicine
  • Dual Certified in Women’s Health and Adult Health by the NCC and AANP
The Menopause Association connects women with expert medical providers specializing in menopause care, offering a functional and integrative approach to treatment. Our mission is to educate, empower, and provide resources for informed health decisions during menopause, while offering compassionate support throughout the aging process.