Dr. Riley Greene

Dr. Riley Greene founded Peak Dermatology Professional LLC in 2011. He is a board certified medical and surgical dermatologist.

A native of Colorado, Dr. Greene left his home state to attend Washington and Lee University in Lexington, Virginia, where he graduated summa cum laude in Neuroscience and gained membership to Phi Beta Kappa.  Then, Dr. Greene attended Washington University School of Medicine in St. Louis, Missouri, where he was elected to the Alpha Omega Alpha Honor Society and served as chapter president of Operation Smile, a surgical outreach program for cleft palate repair in underdeveloped countries.  At graduation, he accepted the James Henry Yalem Prize, awarded to the top medical student in dermatology.

Dr. Greene interned at Denver’s Presbyterian St. Luke’s Medical Center and completed residency training at the University of Colorado Health Sciences Center.  During residency training, he presented at the national Society for Investigative Dermatology meeting and published several articles pertaining to education and evidence-based care in dermatology.  Dr. Greene is an Assistant Clinical Professor at C.U.’s medical school.

Dr. Greene enjoys traveling to third world countries to learn more about tropical dermatology.  He competes avidly in triathlons and loves the challenge of mogul skiing.  Most of all, he enjoys spending free time with his wife, 2 sons and daughter.

Christine Porter, PA-C

Christine Porter, PA-C is a Board-Certified Physician Assistant. Christine has had a love for dermatology for as long as she can remember and joins Peak Dermatology after having practiced dermatology for several years in the Boulder/Louisville area. A native to Colorado, she completed her undergraduate degree in Integrative Physiology at the University of Colorado and then received a Master of Science in Biomedical Sciences from Regis University. Christine moved to Chicago where she received a Master’s in Physician Assistant Studies from Rosalind Franklin University of Medicine and Science.

Christine enjoys all aspects of dermatology but has a particular interest in adolescent and adult acne, skin cancer screening and treatment, and cosmetic procedures including botox and fillers. From an aesthetic side, Christine prides herself on obtaining natural, refreshed, and timeless results. She thoroughly enjoys getting to know her patients and loves that the field of dermatology can foster life-long provider patient relationships.

She is an active member of the Society of Dermatology Physician Assistants in addition to serving as the Director of Community Outreach for the Colorado Society of Dermatology Professionals. Christine can also be found volunteering onboard The Sun Bus performing skin cancer screenings for the Colorado Melanoma Foundation.

Outside the clinic, Christine enjoys hiking, skiing, paddleboarding, and cheering on her favorite sports teams.

Dr. Marc Serota

Dr. Marc Serota is passionate about facilitating broad access to specialty care. He is a pioneer in teledermatology, and he believes that this modality can relieve some of the patient access problems in his field. Dr Serota believes no patient should suffer due to lack of timely access to quality specialty care.

After graduating medical school in 2007 at the age of 23, Dr. Serota completed 8 years of additional training in dermatology, allergy/immunology and pediatrics.  He is triple board certified by the American Academy of Dermatology, American Board of Allergy and Immunology and the American Board of Pediatrics.  He is considered a national expert on dermatologic and allergic topics. He lectures nationally and has published numerous articles in his areas of expertise.  When not practicing, Dr. Serota enjoys traveling, playing soccer and performing magic.  Hey may even perform a trick for you during your visit!

Teledermatology visits available with Dr. Serota at