
Eric Christoff, MD
Internal Medicine
Assistant Professor of Clinical Medicine, Feinberg School of Medicine, Northwestern University
AREAS OF EXPERTISE
STDs (with particular clinical emphases on HIV and syphilis), and the medical treatment of depression and chronic fatigue. Dr. Christoff is also sensitive to the specific health needs of gay and lesbian patients.
PROFESSIONAL AFFILIATIONS
Northwestern Memorial Hospital (Chicago, IL)
EDUCATION
University of Toledo, College of Medicine
RESIDENCY
Rush-Presbyterian-St. Luke's Medical Center
BOARD CERTIFICATION
Internal Medicine
OF NOTE
Certified HIV Specialist, American Academy of HIV Medicine; 2010 Outstanding Teacher award recipient (Feinberg School of Medicine)

Ruthann M. Cunningham, MD
Analyte Physicians Group
Member, American College of Emergency Physicians
AREAS OF EXPERTISE
STDs and emergency healthcare.
PROFESSIONAL AFFILIATIONS
Northwestern Lake Forest Hospital (Lake Forest, IL); Wheaton Franciscan All Saints Medical Center (Racine, WI)
EDUCATION
Wayne State University School of Medicine
RESIDENCY
Cook County Hospital
BOARD CERTIFICATION
American Board of Emergency Medicine

Linda Lesondak, PhD
Community Psychologist
AREAS OF EXPERTISE
STDs, HIV, preventive care, public health and community planning.
PROFESSIONAL AFFILIATION
Chicago Department of Public Health
EDUCATION
Georgia State University
INTERNSHIP
Centers for Disease Control and Prevention

Christopher R. Lynch, MD
Internal Medicine
President, Analyte Physicians Group
Clinical Instructor, Feinberg School of Medicine
AREAS OF EXPERTISE
Sexually transmitted infections, women's health, preventive care, asthma, cardiomyopathies, diabetes, mood and anxiety disorders, and rheumatological disease.
PROFESSIONAL AFFILIATIONS
Northwestern Memorial Hospital, Jesse Brown VA Medical Center (Chicago, IL)
EDUCATION
Baylor College of Medicine
RESIDENCY
University of Illinois at Chicago Medical Center
BOARD CERTIFICATION
Internal Medicine
OF NOTE
Recognized in 2009 for excellence in teaching and nominated in 2010 for Problem-Based Learning Teacher of the Year award (Feinberg School of Medicine)

Lisa Oldson, MD
Internal Medicine
Medical Director, Analyte Physicians Group
Clinical Instructor, Feinberg School of Medicine
AREAS OF EXPERTISE
STDs (with a particular clinical emphasis on herpes), women's health, preventive medicine, diabetes, obesity and weight management, and mood and anxiety disorders.
PROFESSIONAL AFFILIATION
Northwestern Memorial Hospital (Chicago, IL)
EDUCATION
Rush Medical College
RESIDENCY
Rush-Presbyterian-St. Luke's Medical Center
BOARD CERTIFICATION
Internal Medicine

Annette Fuglsang Owens, MD, PhD
Co-Founder and Chief Medical Officer, The Sexual Health Network, Inc.
Founder, Charlottesville Sexual Health & Wellness Clinic
AREAS OF EXPERTISE
Medical aspects of human sexuality, sexual dysfunctions, and the impact of STDs ⎼ and other diseases, illnesses and disabilities ⎼ on sexuality.
EDUCATION
University of Copenhagen (Denmark)
CERTIFICATION
Sexuality Counselor (American Association of Sexuality Educators, Counselors and Therapists)

Daniel Perlman, MD, MBA
Assistant Clinical Professor, Division of Infectious Diseases, University of Colorado School of Medicine
AREAS OF EXPERTISE
All aspects of infectious diseases, including STDs and HIV.
PROFESSIONAL AFFILIATIONS
Greater Denver Infectious Diseases
EDUCATION
University of Maryland School of Medicine
INTERNSHIP
Johns Hopkins Bayview Medical Center (Internal Medicine)
RESIDENCY
Johns Hopkins University School of Medicine (Internal Medicine)
FELLOWSHIP
University of Maryland School of Medicine, University of Colorado School of Medicine (Infectious Diseases)
BOARD CERTIFICATION
Infectious Diseases

David Sobel, MD, JD
Director, Denver Center for Men's Health
AREAS OF EXPERTISE
Men's sexual health and all areas of urology, including urologic oncology, treatment of benign prostatic hypertrophy, stone disease and incontinence.
PROFESSIONAL AFFILIATIONS
Urology Associates PC (Denver, CO)
EDUCATION
University of Illinois at Chicago College of Medicine
RESIDENCY
Rush University Medical Center
BOARD CERTIFICATION
Adult and pediatric urology

Mitchell Tepper, PhD, MPH
Director of Sexual Health Education and Outreach, Analyte Health, Inc.
CEO, The Sexual Health Network, Inc.
AREAS OF EXPERTISE
Sexual dysfunctions, sexuality following disability or illness, pleasure and orgasm, relationships, and military and veteran couples' counseling.
PROFESSIONAL AFFILIATIONS
Morehouse School of Medicine, Atlanta VA Medical Center (Decatur, Georgia)
EDUCATION
University of Pennsylvania, Yale University, Bryant University
CERTIFICATIONS
- Sexuality Educator & Counselor (American Association of Sexuality Educators, Counselors and Therapists)
- PAIRS Instructor (PAIRS Foundation)

Kat Van Kirk, DHS
Assistant Professor, Institute for the Advanced Study of Human Sexuality
Adjunct Professor, Akamai University
AREAS OF EXPERTISE
STDs (with a particular clinical emphasis on HIV/AIDS), women's sexuality, sexual health and wellness, relationship issues, counseling psychology and addictions.
PROFESSIONAL AFFILIATIONS
- DrKat.com (Hawaii, Oregon)
- American Association of Sex Educators, Counselors and Therapists
- Society for the Scientific Study of Sexuality
EDUCATION
Institute for the Advanced Study of Human Sexuality, Ottawa University, Arizona State University
CERTIFICATIONS
- Clinical Sexologist (American College of Sexologists)
- STD Educator, HIV Educator & Trainer (Institute for the Advanced Study of Human Sexuality)

Terri Warren, MS, RN, ANP
Owner and Nurse Practitioner, Westover Heights Clinic
AREAS OF EXPERTISE
STDs with specialty in genital herpes infections.
PROFESSIONAL AFFILIATIONS
- American Sexually Transmitted Diseases Association
- National Association of Nurse Practitioners in Women's Health
EDUCATION
Western Oregon University, Oregon Health Sciences University, University of Portland
LICENSURES
Registered Nurse, Adult Nurse Practitioner (California Board of Registered Nursing, Oregon State Board of Nursing)
OTHER
- Principal investigator or sub-investigator on over 100 clinical trials involving genital herpes, new medications, new testing devices and new vaccines.
- Author of Amazon.com bestseller, The Good News About Bad News: Herpes Everything You Need to Know
- Author, Updated Herpes Handbook
- Author, Tender Talk: A Practical Guide to Intimate Conversations
The medical views and advice contributed by the Sexual Health Experts are their own and do not necessarily represent their professional affiliations.
