Leadership 2020-10-05T20:08:48+00:00

John Guarino has over 30 years of experience in market access on both the agency and manufacturer sides. John brings a career’s worth of insight to the organization, along with a successful track record of working with commercial payers, Medicaid, Medicare, specialty retail and mail order, global access teams, trade, hospital systems, IDNs, access and reimbursement, and HUB services. His specialties also include launching new products, developing and implementing strategic marketing plans, and navigating FDAMA 114 issues regarding formulary decision-maker strategy and marketing. He has unparalleled experience in payer strategy and marketing.

Prior to founding Peregrine Market Access, John created and ran Guarino Haskins Market Access for Omnicom, and was Managing Director, Managed Markets, at inVentiv Health where he oversaw the growth of a small division brand agency, Palio into an enterprise-level agency with an unrivaled ability to win and service payer business. He was eventually transferred into corporate and made responsible for all market access for the enterprise. John spent 20 years at Amgen. As the Director of Payer Segment Marketing at Amgen, John was responsible for overseeing his team’s implementation of all marketing to corporate payer customers, including commercial payers, Medicaid, Medicare, specialty retail, PBM, and IDN/Institutional customers. He worked with a global team to create corporate strategy for all Amgen brands. Together, John and his team managed the development and execution of all marketing messages to corporate customers.

John is an industry-recognized leader in the area of managed markets and is passionate about his work. 

Dr. Jim Mittler is a well-versed medical strategist who provides clinical, scientific, and health economic insights that drive marketing and advertising communications for physicians, patients, and payers. He has expertise in many therapeutic areas, including multiple sclerosis, HIV, nephrology, oncology, diabetes, and respiratory disease. Mittler’s 15 years of experience in pharmaceutical advertising extends through all phases of the product life cycle—from market development and launch positioning to late life cycle management for both US and global brands. Mittler brings more than a decade of market access marketing experience to Peregrine with expertise in value proposition development and healthcare economic modeling.

Mittler began his career with inVentiv Health as a medical writer and advanced to become vice president, medical director, and lead medical strategist for one of the company’s West Coast offices. At inVentiv Health Managed Markets, Mittler was Senior Vice President, Director of Medical Strategy, and served on the Senior Leadership Team to guide the overall direction of the agency. Most recently, Mittler ran Elixir Medical Marketing, a medical strategy consultancy, for several years. An immunologist by training, Mittler has more than 12 years of clinical- and research-based experience in both immunology and oncology and is an expert in the area of cellular immunity.

Leah Warner brings extensive client management and account services expertise to Peregrine Market Access. She has worked in the pharmaceutical marketing industry for over 20 years and has extensive experience in market access markets, HCP and patient communication strategies. She has worked in the market access space for the last 10 years. Her skillset includes strategic and brand planning, launch planning and execution, business development, tactical execution and client relationship oversight.

Warner has worked as a senior account lead for holding companies including WPP, inVentiv Health and Syneos Health. Most recently she served as an SVP of Account Services leading the managed markets and patient access solutions workstreams for a major hematology/oncology franchise. Warner has extensive launch experience, as well as experience overseeing above brand leadership initiatives for several market access clients. She has supported development of market access strategies for the following therapeutic categories: hematology, oncology, opioid and alcohol dependence, obesity, cardiovascular disease, type 2 diabetes, and chronic obstructive pulmonary disease. While working in the HCP space, Warner gained experience in several therapeutic categories including kidney disease, types 1 & 2 diabetes, chronic pain, and sleep apnea. Warner also led a multicultural pilot program for a pain franchise and was instrumental in helping to launch the client’s first DTC omnichannel campaign. 

Scott Neverett, SHRM-CP is a Partner, Director of Human Resources and Corporate Culture at Peregrine Market Access. In this role, Scott is responsible for overseeing all aspects of human resources management. He has been in the HR field for nearly 20 years, with the majority of his experience being in recruitment/talent acquisition. Prior to Peregrine, Scott worked for the last 10 years in the field of advertising and marketing; holding positions of increased responsibility at Syneos Health.

Scott has a BA in Psychology/Elementary Education and a M. Ed. from The State University of New York at Potsdam where he was also a member of the men’s soccer team. Scott holds a SHRM Certified Professional (SHRM-CP) Certification.