Jennifer Cather, MD < Back Jennifer Cather, MD Faculty Jennifer C. Cather, MD, FAAD, is the Medical Director and Founder of Mindful Dermatology and Modern Research Associates in Dallas, Texas. Dr. Cather earned her BA in Chemistry at the University of Texas, graduating Magna Cum Laude and her MD at the University of Texas-Southwestern Medical Center in Dallas. After completing anInternal Medicine internship at Parkland Memorial Hospital in Dallas, she completed a Clinical Research Fellowship at MD Anderson Cancer Center and a residency in Dermatology at the University of Texas Medical School in Houston. She is licensed to practice in Texas and California and is certified by the American Board of Dermatology. Dr. Cather has been an investigator in more than 275 clinical research trials in the areas of psoriasis and cutaneous T-cell lymphoma and has authored or co-authored numerous abstracts and manuscripts. Her writing has appeared in such publications as the Journal of the American Academy of Dermatology, The British Journal of Dermatology, the Journal of Drugs in Dermatology, Cutis, Dermatologic Therapy, and Dermatologic Clinics. Dr. Cather lectures on investigational therapies in psoriasis, atopic dermatitis, cutaneous T-cell lymphoma, melanoma, and graft versus host disease, and she frequently serves as a consultant within these disciplines. PS Home

Loren Clarke, MD < Back Loren Clarke, MD Faculty Loren Clarke, M.D., is the Chief Medical Officer at DermTech, LLC, where he leads the company’s clinical and scientific efforts in implementing advanced molecular diagnostics for skin cancer. Dr. Clarke has been at the forefront of the company’s mission to revolutionize dermatological care through non-invasive genomic testing. A board-certified Pathologist and Dermatopathologist, Dr. Clarke brings extensive experience in clinical dermatopathology and molecular diagnostics. Prior to DermTech, he served as faculty at Penn State University’s Hershey Medical Center and contributed to the development of novel molecular diagnostics for melanoma at Myriad Genetics. Dr. Clarke has contributed significantly to the medical and scientific literature, authoring or co-authoring over 60 peer-reviewed publications, as well as numerous book chapters and a textbook on Dermatopathology. PS Winter Home

Practical Symposium | Winter Learn, Shred, Learn! January 23-26, 2025 The Hythe | Vail, CO ATTENDEE LINKS Clay's Message Who Should Attend Agenda Faculty Fees Register Hotel & Travel Industry Partners Social Media Attendee Brochure CME & Document Center Sign Up for Updates INDUSTRY LINKS Industry Brochure Exhibit Guidelines Jan 29 - Feb 1, 2026 The Hythe | Vail, CO Registration Opens July 15th Register Today! Derm and skiing are very common. You have to use your brain, it's the most important part of your equipment.

Douglas Gray, MSOR, MBA < Back Douglas Gray, MSOR, MBA Faculty Douglas A. Gray is an entrepreneur, practitioner, leader, educator, and author with 30+ years of experience in Data & Analytics, IT/Software, E-Commerce, and Consulting. Mr. Gray has worked for Fortune 1-250, start-up, and early-stage companies in industries including retail, airlines, travel distribution, financial services, healthcare insurance, consulting, and commercial software. Mr. Gray is currently a Director, Data Science at Walmart Global Tech – US Omni Retail Tech where he leads teams that increase efficiency, cost effectiveness, and profit performance leveraging data and advanced analytics methods and solutions focused on End-to-End Fulfillment. His teams deliver economic impact and business value in the 9-figure range annually. He has been a member of two INFORMS Prize winning organizations: Walmart (2023) and American Airlines (1990). Previously, Mr. Gray served as Director, Enterprise Data & Analytics at Southwest Airlines. Through the data and analytics solutions delivered, Doug’s organization at Southwest Airlines generated $100M in annual operating cost reduction, and $100M in annual revenue augmentation. As a result, the team was recognized with the following awards: Teradata EPIC Award, FICO Decision Management Innovation Award, Alteryx Best Business ROI Award (2), Drexel LeBow Analytics50 Award (2), and AGIFORS Operations Best Innovation Award. Mr. Gray was a founding team member at award-winning American Airlines Decision Technologies (AADT) (now part of CAE, Inc.), which pioneered numerous innovations driving substantial economic impact in the use of Analytics in the airline industry, solving commercial and operational problems across the enterprise. At Sabre, he served as the founding CTO of Travelocity.com , the world’s first real-time, Internet-based travel reservation system. Mr. Gray served as Acting Director of Analytics at Blue Cross Blue Shield of Kansas City where he led the development of an Analytics Platform, i.e., a data warehouse, an operational dashboard, and a portfolio of analytical scoring models for measuring patient propensity for health conditions, behaviors, and outcomes. BCBSKC evolved the platform into a commercial Analytics-as-a-Service enterprise (CobaltTalon) serving other BCBS entities that was later sold to HealthLumen. Through his own company, Blueprint Technology Advisors, LLC, d.b.a., Optima Analytics, Mr. Gray advises executive leadership teams on best practices of applying Technology & Analytics to corporate strategy and Digital Transformation, and implementing Technology & Analytics organizations and capabilities. Mr. Gray has taught executive education seminars in Analytics since 2009. As an Adjunct Professor at SMU, Mr. Gray taught Business Analytics in the Cox School of Business EMBA Program 2016-20, through which his students’ real-world Case Analysis Projects routinely delivery 6-7-8-figure ($M) tangible, measurable business value and economic impact benefits. Mr. Gray serves as the primary instructor for Business Analytics in SMU’s MS in Data Science program. In 2025, Mr. Gray will offer an elective course, AI Strategy, in SMU’s EMBA Program. Mr. Gray teaches Analytics & AI Strategy for SMU Continuing and Professional Education and SMU Cox Leadership Academy. He currently serves on SMU’s Future of Work Advisory Council. PS Home

Courtney Schadt, MD < Back Courtney Schadt, MD Faculty Board Certifications: Dermatology Medical Degree: Vanderbilt University School of Medicine Residency: Vanderbilt University Division of Dermatology Internship: Internal Medicine, Vanderbilt University Medical Center Special Areas of Expertise: General Dermatology, Medical Dermatology, Skin Cancer Affiliations: Associate Professor of Medicine, University of Louisville Division of Dermatology PS Winter Home

Mark Nestor, MD, PhD < Back Mark Nestor, MD, PhD Faculty Mark S. Nestor, M.D., Ph.D., F.A.A.D. is a board-certified Dermatologist and serves as Director of the Center for Clinical and Cosmetic Research™ and the Center for Cosmetic Enhancement®, Aventura, Florida. He is a Voluntary Professor in the Department of Dermatology and Cutaneous Surgery and the Department of Surgery, Division of Plastic Surgery at the University of Miami, Miller School of Medicine. He is the current President of the American Cutaneous Oncology Society, a past President of the American Society for Photodynamic Therapy, the International Society for Cosmetic and Laser Surgeons, and the Florida Society of Dermatology and Dermatologic Surgery. As Director for CCCR, he has conducted more than 150 FDA and non-FDA clinical trials. Dr. Nestor is recognized as a world expert in clinical therapeutics, drug delivery systems, and research in many areas of clinical Dermatology and aesthetics including acne, psoriasis, and skin cancer, light therapies to treat skin disease, cutaneous laser surgery, photodynamic therapy, and Superficial Radiation Therapy. His aesthetic expertise includes lasers, RF, and other devices, fillers and he recently developed new clinical postulates for botulinum toxins. He has authored over 100 articles and book chapters, has delivered over 1000 major presentations around the world, and is viewed as an internationally acclaimed lecturer and instructor of clinical and aesthetic dermatology. Dr. Nestor also serves as a consultant to numerous pharmaceutical and device companies assisting them in the development of new medications, devices, and cosmeceuticals. He received his MD and PhD in Immunopathology from UCLA School of Medicine and completed his Dermatology Residency at NYU. PS Home

Lawrence Schachner, MD < Back Lawrence Schachner, MD Faculty Bio coming soon. PS Home

Business 201 Faculty < Back Justin McCorkle Founder Founder Crucial Cyber Repeat Entrepreneur Certified Leadership Consultant Justin McCorkle is the Founder of Crucial Cyber, a consulting and projects practice that approaches cybersecurity from a “business first” perspective. He has had first hand involvement in numerous Incident Response cases, cyber forensics investigations, worked with cyber attorneys through various legal challenges, and is a member of the North Texas FBI Infragard Community. Justin has over 18 years of organizational leadership experience and brings that executive perspective into client cyber issues. Justin assisted with the founding and launch of a Managed Security Services Provider and later joined the board of an international Private Equity Group seeking cyber acquisitions throughout the United States. Through these projects he developed key relationships in the industry that have allowed Crucial Cyber access to leading cyber talent and ‘out of the box’ thinking in order to reduce cyber risks. Crucial Cyber approaches cyber in a way to maximize ROI and provide legal protection in the event of an incident. Besides these things, Justin has authored and co-authored several books on faith and family, provided political consulting and speech writing to State and Federal politicians, and is very involved with Conscious Capitalism. He has a deep love of human liberty and is an outdoors enthusiast. Justin lives in Frisco, Texas with his wife of 17 years, Kelly, and their three children. https://crucial-cyber.com/ Business201 Home

Adam Rubin, MD < Back Adam Rubin, MD Faculty University of Pennsylvania Associate Professor of Dermatology at the Hospital of the University of Pennsylvania Associate Professor of Dermatology in Pathology and Laboratory Medicine Associate Professor of Dermatology in Pediatrics PS Home

Jeffrey Callen, MD < Back Jeffrey Callen, MD Faculty Board Certifications: Internal Medicine and Dermatology Medical Degree: University of Michigan Residencies: Internal Medicine and Dermatology – University of Michigan Special Areas of Expertise: Skin Signs of Systemic Diseases, Lupus Erythematosus,Dermatomyositis, Pyoderma Gangrenosum, Psoriasis and Systemic Therapies for Management of Skin Disease. Author of multiple dermatology articles and textbooks Affiliations: Chief, Division of Dermatology, University of Louisville Dr. Callen has served as the editor or deputy editor of several dermatology periodicals and is currently the Editor of the Dermatology Section of Up To Date. PS Winter Home

Business 201 Faculty < Back Chris LeLash Sales Associate Christian LeLash teams with wife, Jennifer, to provide professional luxury real estate services to busy professionals. Together, the LeLash Group has sold millions in luxury properties with sales as high as $12 million. Chris and Jennifer have extensive knowledge of Dallas' real estate market, its private and public schools, and its neighborhoods. They specialize in handling discreet, private real estate transactions for high-net-worth families. Clients attest to Chris’ and Jennifer's professional, discreet, and seamless client service from beginning to end. In addition to real estate, Chris has twenty years of experience in consulting, financial analysis, business development, investments, and high-net-worth client service. He is also a private foundation trustee with experience in investment management, grantmaking, and board governance. Chris attended the University of Pennsylvania and The Wharton School as an undergrad and earned an MBA from New York University's Stern School of Business. Chris enjoys traveling with his family and coaching youth soccer and basketball. Chris and Jennifer are active members within the Shelton and Parish Episcopal school communities and volunteer their time to many charitable efforts close to their hearts. • D Magazine Top Producer 2016-2019 • Multi-Million Dollar Producer • Current or former Board Member, Lymphoma Leukemia Society, Turtle Creek Conservancy, and Wipe Out Kids’ Cancer. https://www.sothebysrealty.com/eng Business201 Home

Business 201 Faculty < Back Jim Winblood Founder & Chief Steward Jim Winblood is an Entrepreneur and Chief Steward of several recruiting and staffing businesses in the “care economy” including Mom’s Best Friend of Dallas/Ft. Worth, Park Cities at Home, Vail Sitters and Scout Reference, a B-to-B SAAS company providing reference checking services for trust economy employers. He enjoys the challenges of entrepreneurship and has started and led multiple early-stage businesses. Jim is a graduate of Vanderbilt University School of Law and the Price College of Business at the University of Oklahoma, where he earned a bachelor’s degree in business administration/economics with honors. He was the recipient of the OU President’s Medal and the prestigious Letseizer Award for outstanding graduate. Jim was a Commander in the US Navy Reserve (Ret.). He is a veteran of Operation Iraqi Freedom. Jim also currently serves as the Chairman of the Board of Directors for Global Heart Ministries in Plano, Texas. Jim is a past Chairman of the Board of Directors for Rainbow Days, Inc., a non-profit organization serving at-risk children. He was a member of the Dallas Young Lawyers Leadership Class of 2000. He has served as a Precinct Chairman for the Dallas County GOP. Jim is also a Member of the Dallas Roundtable and C12. Most importantly, Jim stays focused on his faith and family. He and his wife Kim have two daughters attending college at BIOLA University and they are Members of Watermark Community Church. http://www.scoutreference.com Business201 Home