Management Team

Diane S. Goostree

President/CEO

Ms. Goostree has 30 years of experience in the pharmaceutical and cosmeceutical industries. She was a key executive building SkinMedica® from 2002 onward. Prior to her appointment as CEO of ALASTIN Skincare®, she was the CEO of Intrepid Therapeutics, Inc., developing new molecules for prescription dermatology products. Her background includes experience in business development, R&D, sales and marketing, manufacturing, and general management. Ms. Goostree’s career successes have included significant capital raises, obtaining FDA approval for products and medical devices, and taking a company public. Ms. Goostree holds a B.S. in Chemical Engineering from the University of Kansas and earned her MBA from the University of Missouri at Kansas City.


Amber Edwards

Chief Commercial Officer

Ms. Edwards has more than 20 years of proven success leading pharmaceutical and medical device franchises in both US and International markets. Her career has included roles in sales, sales training and management, marketing and general management across a variety of therapeutic categories. Prior to joining ALASTIN Skincare®, she was President, North America for Sinclair Pharma, where she was responsible for building out the US infrastructure and leading commercial efforts to drive significant growth of a novel aesthetic suspension suture. Ms. Edwards first entered the aesthetics market in 2004 with Allergan, Inc, where for almost 10 years she held a number of leadership roles, launched multiple brands, spearheaded groundbreaking educational and consumer platforms and had strategic responsibility for the medical aesthetics franchise across ex-US markets. She began her career in sales with Parke-Davis Pharmaceuticals, and continued through the acquisition by Pfizer, Inc to take on marketing roles in Women’s Healthcare and the Pain and Arthritis franchise. Ms. Edwards holds a B.A. in Finance and International Business from the University of Arizona.


Alan Widgerow MBBCh (MD); MMed (MHS); FCS; FACS

Chief Medical Officer

Professor Widgerow spent 20 years in private plastic surgical practice in South Africa before relocating to southern California in 2009 to pursue his interests in research, medical device innovations, and wound care. In 2012, he joined the University of California Irvine Plastic Surgery Division as Adjunct Professor and Director of the Center for Tissue Engineering. He has developed multiple products, among them, Scar Recovery Gel (topical scar product), Burnshield Advance (tensile silicone sheet), COMFIflow™ (nasal cannula), COVERSCIENCE®(healing make-up), DERMAPPROX® (wound approximator), Flavonix® (topical antibiofilm preparation), many of which are sold in several countries for the plastic surgery and dermatology markets. Professor Widgerow continues to play an active role in academic medicine world-wide, and his exceptional scientific knowledge of wound healing, cellular, and skin aging is invaluable to the design of ALASTIN Skincare® clinical studies and new product development.


John Garruto

Vice President R&D, Formulations

Mr. Garruto was the founding formulation scientist and former Vice President of Formulation Development at SkinMedica®, Inc. Developer of SkinMedica’s® successful TNS line, Mr. Garruto has 38 years of experience as a formulating chemist and technical consultant to the personal care industry. He has formulated thousands of products and been granted numerous patents for products in the area of skincare and personal care.


Tom Christenson

Chief Financial Officer

Mr. Christenson has over 25 years of professional level experience in finance and accounting, primarily in healthcare-related industries. Prior to joining ALASTIN Skincare®, he provided financial leadership to several local companies including Diversa Corporation, SkinMedica®, Inc., and most recently, Zogenix, Inc. His background includes debt and equity financings, pharmaceutical and cosmeceutical product launches, and business development and M&A transactions. Mr. Christenson holds a BA in Economics from the University of California, Irvine and an MBA in Finance from the University of Illinois, Urbana-Champaign.


Wendy Johnson

Vice President, Strategic Partnerships & Professional Relations

Wendy Johnson brings to Alastin Skincare over 22 years of pharmaceutical, biotechnology, and aesthetics industry experience in various sales, training, marketing and thought leader development roles. After spending 10 years in gastroenterology at Tap Pharmaceuticals and Prometheus Laboratories, with sales and marketing oversight for in-line and pre-launch products, Mrs. Johnson transitioned to an aesthetic career at SkinMedica in 2004. While there, she was responsible for marketing one of the top 2 branded prescription hydroquinones, launching a leading branded low potency steroid, and oversight of the acne franchise line extensions. In 2010, Wendy joined Merz North America where she developed and managed the Physician Relations department in support of injectable, topical and device business units under Medical Affairs, before transitioning into managing a Regional Aesthetics Marketing team.


Shannon Crothers

Vice President, Commercial Operations

Mr. Crothers brings to Alastin Skincare® over 25 years leadership experience in commercial operations, customer support, and program management primarily focused in the life sciences and medical device industries. He has held numerous leadership roles in reputable life sciences companies including SeaSpine, ResMed, Metagenics and Carl Zeiss Vision, and has a deep understanding of the practitioner-dispensing model. Most notably, Mr. Crothers served as Senior Director, Commercial Operations at Obalon Therapeutics, where he helped drive commercialization of a novel weight-loss medical device sold through bariatric and plastic surgeons. With a strong focus in sales operations and analytics, he has developed and driven go-to-market plans for both early stage and mature companies. Attributing his passion for servant leadership to his time as an officer in the U.S. Coast Guard, Mr. Crothers holds a B.S. in Management from the United States Coast Guard Academy and an MBA from Santa Clara University.