Our Team

Clinical Leadership

Dr. Payam Abrishami

Dr. Payam Abrishami, MD, is passionate about patient care. As a clinician, he is dedicated to treating and educating his patients, often engaging in in-depth consultations about a diverse range of skin concerns and treatment protocols. Dr. Abrishami is committed to empowering his patients with the care, information, and support they need to achieve exceptional outcomes.

Since 2008, Dr. Abrishami has served as the lead dermatopathologist and Medical Director of the WestDerm dermatopathology lab. Dr. Abrishami is board certified in dermatology, micrographic surgery, and dermatopathology. His research includes correlating Dermoscopy with histopathology of melanocytic growths.

Dr. Abrishami is a graduate of Joan Sanford I Weill Medical College of Cornell University medical school in New York, and he serves as part-time faculty and lecturer at UCLA School of Medicine. He enjoys spending his free time with cars, on the ocean, and being a father.

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Dr. Lucius Blanchard

For over 50 years, Dr. Luke Blanchard, MD, has dedicated his life to providing excellent, minimally invasive treatment for numerous dermatologic conditions, from acne to malignant melanoma.

Dr. Blanchard is double board-certified in internal medicine, dermatology, and Mohs surgery. He trained with Dr. Fred Mohs, the developer of Mohs micrographic surgery, and specializes in skin surgery and Mohs cancer surgery. He was among the founders of the highly respected Las Vegas Skin & Cancer Clinics. Dr. Blanchard graduated from the University of North Carolina at Chapel Hill School of Medicine.

Renowned among his patients and his peers for his unwavering commitment to ensuring excellent patient outcomes, Dr. Blanchard offers in-depth knowledge and expertise in the field of medical dermatology.

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Dr. Paul English

Dr. Paul English, MD, offers a compassionate and optimistic treatment approach. He is committed to making dermatologic care accessible to communities throughout Arizona.

Dr. English graduated from Weber State University magna cum laude and received his medical degree from the University of Utah School of Medicine. He completed his Dermatology Residency at the University of Texas Health Science Center, serving as Chief Resident. Dr. English has practiced medicine in Arizona since 1990, opening his first dermatology clinic in 1997. He frequently serves as a medical consultant to local and national news organizations, giving interviews on a range of dermatologic topics and authoring numerous articles for publications, including Prevention Magazine and Good Housekeeping.

Dr. English is dedicated to providing life-saving medical care to people in some of the world's most underserved regions, and has traveled to Mozambique and Cambodia on humanitarian missions. He is an avid outdoorsman and enjoys traveling with his wife and family.

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Dr. Mitch Goldman

Dr. Mitchel Goldman, MD, is a double board-certified dermatologic surgeon, dermatologist, and cosmetic surgeon and has delivered outstanding, next-generation patient care for more than four decades.

Having published 14 medical textbooks on cosmetic and laser surgery, dermatology, sclerotherapy, ambulatory phlebectomy, and cellulite, Dr. Goldman is considered a global medical thought leader. Dr. Goldman is also an associate editor of numerous medical journals, including Dermatologic Surgery, Cosmetic Dermatology, and Venous Digest. He is a world-renowned expert on sclerotherapy, the gold-standard treatment protocol for varicose veins. Additionally, Dr. Goldman has invented numerous laser procedures for tattoo removal, skin resurfacing, and superficial vein removal that are routinely employed by clinicians, worldwide.

Dr. Goldman graduated from Boston University and Stanford University School of Medicine. He completed his internal medicine internship at the University of California, San Diego, and his dermatology residency at UCLA. He currently lives in California with his family and enjoys spending his free time hiking, scuba diving, and cycling.

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Business Support Leadership

Brian Stern,
Chief Executive Officer

Brian is proud of his career leading multi-site healthcare organizations where he gets to use his heart, head, and hands to support healthcare providers so they will be at their best to deliver great clinical care.

Prior to joining WestDerm, Brian was SVP at DaVita (NYSE: DVA) where he was responsible for Field Operations, Real Estate, and Clinical Strategy for DaVita's portfolio of 3000 healthcare clinics. Prior to joining DaVita, Brian was SVP Operations at Smile Brands where he was responsible for 380 dental practices.

Brian earned his BA from the University of Pennsylvania and his MBA from Harvard Business School. Brian is an avid surfer and triathlete. He lives in Southern California with his wife, Debbi, and their three children Zoe, Lexi, and Tyler.

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John Hammack,
Chief Financial Officer

John brings extensive experience as a CFO, having led finance and M&A in high-growth stages in various multi-unit and technology businesses, including leading PE-owned businesses through the transaction. Most recently John served 7 years as CFO for PE-owned Gelson’s Markets, a premium grocer in SoCal, growing it up to an exit transaction for the PE, TPG Capital, in 2021. Other previous experiences include Global CFO of Experian’s Consumer Services, COO/CFO of a commercial real estate investment brokerage, as well as senior finance, development, and M&A leadership positions at Taco Bell Corp. John has a passion for enabling high-growth, partnering with an organization’s management, and building high-performing teams.

Originally from Plano, Texas, John moved to Orange County nearly 30 years ago, where he now lives with his wife and daughter, enjoying southern California. He loves spending time with his family, being outdoors, and just about any type of recreation.

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Kat Cullen,
Chief Operations Officer

Kathryn's background and passion is in leading large, multi-site healthcare teams. With roughly $800M under management while at DaVita between outpatient dialysis centers and Hospital Services, Kathryn's divisions were consistently the top-performing in the country across clinical, financial, and team engagement metrics. She thrives on helping her leaders find the balance of discipline and creativity in operations that translate to exceptional patient care delivery. Kathryn, her husband, and two daughters live in Orange County where they spend as much time on the water as possible.

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Christy Martinez,
Chief Administrative Officer

Christy is passionate about building collaborative, engaging, and fun business cultures. She has 20+ years experience in Revenue Cycle, Managed Care Contracting, and Business Applications which has resulted in two successful exits/sales. As an executive at Fresenius Kidney Care, she led a revenue cycle division consisting of 12 revenue cycle locations with a portfolio of $3.5 Billion in revenue across the Western United States. Christy has been an executive in multi-site organizations and even founded her own healthcare consulting company that specialized in Revenue Cycle optimization. In her free time, she enjoys spending time with family, traveling, and paddle boarding.

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Matt Hall,
Chief Marketing Officer

Matt has 20+ years of healthcare and healthcare tech experience. He's passionate about building world-class teams and loves growing, scaling, and improving companies in multiple phases of their growth.

From startups to billion-dollar companies, his expertise includes operations, digital transformation, product development, business strategy, and marketing. As the marketing executive at Pacific Dental Services, he grew the company from $40MM to $1.5B in revenue and from 30 locations to over 800. On the other end of the business spectrum, he also launched and successfully grew a healthcare startup, Wellfit, for 3 years in the InsureTech/FinTech space. We're excited to now have him at WestDerm.

Matt competed on a world-class level in triathlon, captained his college soccer team, and remains active athletically as well as educationally (i.e. MBA, Exec Ed at Stanford, Higher Ambition Leadership Institute). Most of all, he enjoys spending time with his family on the sports fields, at church, or adventuring anywhere on the planet.

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Michelle Mason,
Chief People Officer

Michelle brings more than 25 years of leadership experiences from Procter & Gamble, Wella Professional, and Kinetic Consulting in human resources, recruiting, and talent development to West. As an internal HR executive and external consultant in healthcare and other industries, Michelle's passion for helping people and building exceptional communities were a perfect match for WestDerm. Outside of work, you will find Michelle with family and friends hiking, biking, snowboarding, traveling, and practicing yoga.

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Adel Chaveleh,
Chief Information Officer

Adel has 24+ years of experience as a CEO, CIO, and CTO of companies spanning global supply chain, pharmaceuticals, healthcare, video games, and strategy consulting. His leadership in scaling these companies resulted in several successful exits. His broad industry experience and unique business insights enables him to drive transformations across complex, geographically diverse, and multi-system organizations. He has a penchant for simplifying the complex, driving value creation, and crafting informed strategies enabling companies to rapidly scale.

Outside the office, he loves spending time with his family, building in his workshop, and always looking for ways to add "life points" to his list of adventures.

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Linda Pilla,
Chief Compliance Officer

Driven by her clinical and legal backgrounds and guided by a passion for quality and patient safety, Linda has focused her career on supporting providers and operational leaders through the “life cycle” of complex regulatory and legal issues so that they can focus on what is most important -- providing excellent care to patients and families.

Linda has extensive experience in clinical, risk compliance, regulatory and legal roles across the continuum of healthcare providers, providing support through various stages of organizational growth and evolution. Linda's core expertise lies in aligning legal requirements, governance obligations, and enterprise risk, regulatory and compliance standards with operational best practices to achieve management objectives. Linda's versatility allows her to serve as a trusted collaborator and advisor to key stakeholders in the development of practical and sustainable solutions to mitigate potential risk that may affect organizational initiatives.

Outside of work, Linda enjoys spending time with her family, gardening, and traveling to new destinations.

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Nina Jorajuria,
Vice President of Business Development

Nina has over 20 years' experience in the field of Dermatology serving in various leadership roles and assessing practices in the Southwest and Northwest. Before her healthcare roles, she worked for one of the largest banking and investment firms where she enjoyed helping small businesses grow. Nina has led M&A efforts at WestDerm since 2015 and played an integral role in growing the company by partnering with high-quality groups in existing and new markets. Nina earned an MBA from the University of Arizona.

Nina's most important title is Mom. She loves spending time with her family, and taking a break to run, hike and do all things active.

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Doctors & Staff

Please meet our distinguished dermatology providers. We are very proud to be associated with these expert clinicians who also understand the importance of compassion in your care. Please take your time to browse their backgrounds and choose the best dermatologist for your needs.

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