Dr. Papp is internationally recognized as a key opinion leader in dermatological research, conducting clinical trials in psoriasis, psoriatic arthritis, acne, actinic keratoses, atopic dermatitis, basal cell carcinoma, onychomycosis, seborrheic dermatitis, and more. Based in Waterloo, Ontario, Canada, Dr. Papp has over 25 years of experience as principal investigator on more than 170 psoriasis studies.