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Our Team

The LifeStance leadership team consists of healthcare professionals and executives who want to help people across the country overcome mental health challenges. Driven by compassion and evidence-based best practices, we measure our performance by the outcomes of our patients.

President & Chief Executive Officer

Michael K. Lester

Mike is an accomplished health care executive whose professional experience includes 35 years in the multi-site health care services and pharmaceutical life sciences fields. As the chief executive officer of multiple companies, he successfully capitalized, assembled top tier management teams and implemented strategic and tactical business plans creating long term value for employees, customers and shareholders.

Prior to founding LifeStance Health, a behavioral health company, Mike was the founder and CEO of Accelecare Wound Centers, a comprehensive wound care and disease management company. Prior to that, Mike was a Venture Partner at Bain Capital and SV Life Sciences, founder and CEO of Radiant Research, a comprehensive clinical research company providing Phase I-IV study conduct and drug development services to the biopharmaceutical industry, founder and CEO of ContinueCare Health Systems, a high tech home and alternate site infusion therapy company and founder and CEO of Preferred Hospital Pharmacies, a successful pharmacy management company. Mike was formerly a board member and President of the Texas State Board of Pharmacy. He serves on The University of Texas College of Pharmacy Pharmaceutical Foundation Advisory Council and is a member of the board of directors of LifeStance Health, Inc., Upperline Health, Inc., Ventec Life Systems, Inc. and is a senior advisor to Silversmith Capital Partners. He holds a Bachelor of Science in Pharmacy from the University of Texas.

Mike enjoys backcountry flying, boating and fishing.

Chief Growth Officer

Danish J. Qureshi

Danish is a founding member of the LifeStance Health team, overseeing all growth initiatives for the company. He manages the de novo growth team, responsible for all new site openings and the expansion of LifeStance’s existing footprint into new markets. Danish also oversees the clinician recruiting team, responsible for bringing new clinicians into the LifeStance family of providers, and the national marketing team for the company, focused on online patient marketing strategies and national brand development.

Danish was the former SVP of Strategic Initiatives at Accelecare Wound Centers, Inc., and COO of the post-acute division, Accelecare Wound Professionals, LLC. While at Accelecare, he grew the post-acute division into a nationwide network of 400 skilled nursing facilities under contract, with physicians employed across 22 states. Prior to Accelecare, Danish worked at Nautic Partners, a Providence RI based mid-market private equity firm, with a focus on healthcare services deals. He began his career as a management consultant with Bain & Co. Danish received his BA from Northwestern University.

Danish enjoys classic cars and traveling.

Chief Operating Officer

Gwen H. Booth

Gwen is a founding member of the LifeStance Health team, overseeing the management of existing facilities and practice groups. Gwen also oversees the integration team responsible for bringing newly acquired practice groups into the LifeStance family of providers.

Most recently, Gwen served as the Chief Operating Officer at Accelecare Wound Centers, Inc. She is an experienced health care executive whose professional background includes 16 years in the clinical and biopharmaceutical industry and multi-site healthcare services space. As a senior leader at several health care service companies she successfully managed multiple locations, developed and implemented successful integration and operation plans, and executed successful growth strategies. Prior to joining Accelecare, Gwen was Vice President, Clinical Pharmacology at Covance, one of the world’s largest and most comprehensive drug development services companies, Vice President, Early Phase Clinical Development of Radiant Research, a comprehensive clinical research company providing Phase I-IV study conduct and drug development services to the biopharmaceutical industry and a member of the MDS Pharma Services management team for 8 years. Gwen holds a Bachelor of Science in Nursing from Creighton University in Omaha, Nebraska.

Gwen enjoys spending time with family, boating, and traveling.

Chief Financial Officer

J. Michael Bruff

Mike has 30 years of professional experience in a variety of industries including medical technology, computer hardware and software, enterprise software, telecommunications, and public accounting. As chief financial officer, Mike is responsible for leading the finance, accounting, tax, treasury, internal audit, and investor relations functions.

Before joining LifeStance Health, Mike served as Chief Financial Officer of Varian Medical Systems, an innovative cancer care solutions company serving clinical partners globally to help them treat millions of patients each year. Prior to that, Mike worked for Dell Technologies for 19 years serving in several domestic and international roles across finance and commercial business functions, most recently as business unit CFO of Asia-Pacific region and Senior Vice President of North America commercial sales strategy, planning, and operations. He also held leadership roles in commercial finance, financial planning and analysis, internal audit, and product development finance. In addition, Mike was Vice President, Global Services Accounting and Finance at CA, Inc. and held a variety of finance and reporting roles at MCI Telecommunications after starting his career at Deloitte & Touche.

Mike holds a Bachelor of Science in accounting and a Bachelor of Arts in economics from the University of Maryland. When not working and spending time with his family, Mike enjoys golf and training for mid and iron-distance triathlons.

Chief People Officer

Felicia Gorcyca

Felicia brings more than 20 years of experience in human capital to LifeStance Health. As Chief People Officer, she leads the human resources function and focuses on providing an excellent team member experience.

Previously with TPG Capital, Felicia was an Operations Director and member of the Global Human Capital team where she partnered with TPG portfolio companies to build transformative leadership teams and boards and developed the TPG CHRO Network with a focus on HR strategy and practices. Prior to joining TPG, Felicia held senior HR leadership roles including Chief People Officer for Stack Sports and Global Head of People Operations for Solera Holdings, Inc. During her tenure with Solera, the company completed 20+ acquisitions and doubled in revenue with a global team of 6,000 employees. Previously, Felicia was a Consultant in the Los Angeles office of Spencer Stuart. Felicia completed more than 100 C-level searches during her thirteen years with the firm, primarily in health care services, and advised clients on leadership assessment and succession planning.

Felicia holds a Master of Public Health degree with Delta Omega honors from UCLA, and a Bachelor of Science degree in International Business from Pepperdine University. She has served on the Board of Directors for Girl Scouts of Greater Los Angeles and Executive Advisory Board for the UCLA School of Public Health.

Felicia enjoys time with her family of five and their beloved English Labrador. She is an avid tennis player and loves road trips and international travel.

Chief Administrative Officer

Warren Gouk

Warren joins the LifeStance Health team with over 25 years of experience building and running administration groups, finance teams, strategy, sales, business development, and general company management. As chief administrative officer, Warren is responsible for building strong connectivity between centralized finance and the broader organization and assisting with scaling regional operations.

Prior to joining LifeStance Health, Warren was the Chief Operating Officer at Limeade where he focused on building and leading teams to help scale operations, enhance customer delivery & implementation, drive the customer success organization and manage all aspects of financial reporting and planning. Prior to that, Warren was the General Manager and SVP of LexisNexis Healthcare where he was responsible for managing a strategy to build a large, high-growth healthcare business through acquisitions and organic growth.

Warren holds a Bachelor of Commerce in finance & economics from University of British Columbia and maintains professional designations as a Charter Financial Analyst (CFA) and Chartered Professional Accountant (CPA). When not working, Warren participates in hockey, baseball, skiing, golf and is on the board of the Special Olympics.

Chief Development Officer

Kevin M. Mullins

Kevin has over 10 years of experience in healthcare, as both an operator and investor. He joined LifeStance Health in early 2017 and focuses acquiring and integrating new behavioral health practices.

Prior to joining LifeStance, Kevin was a Vice President at Summit Partners where he focused on investments in the healthcare services and life sciences sector. While at Summit, he was part of the team that founded MedSpring Urgent Care, which operates 50 urgent care centers in 3 states and was acquired by Fresenius Medical Care. Previously, Kevin worked at Curaspan and in the Healthcare Investment Banking Group at Leerink Partners. He holds a BA in physics and economics from Bowdoin College and a MBA from the Stanford Graduate School of Business.

Kevin enjoys listening to sports radio, CrossFit, biking and all Boston sports.

Chief Digital Officer

Pablo Pantaleoni

Pablo has over 12 years of experience building and scaling digital health products and services. He joined LifeStance Health in 2020 and focuses on building a great digital experience for both clinicians and patients.

Prior to joining LifeStance, Pablo led Headspace’s digital therapeutics subsidiary (Headspace Health). He also served as the parent company’s Vice President of Strategy and New Ventures, leading a team focused on Headspace’s global corporate strategy, technology and regulatory strategy, design research, and new ventures. Prior to Headspace, Pablo served as a Senior Director of Health and Venture Design at IDEO, a leading design and innovation consultancy, where he led the healthcare portfolio and worked with startups and global corporations alike to develop digital products and services at the intersection of health and other industries, such as mobility, retail, and education. Prior to IDEO, he co-founded Medtep, a digital health startup that facilitates lasting behavioral changes by personalizing validated prevention and treatment plans. Pablo co-leads the Digital Health NEXT Program at Stanford Biodesign since 2018, where he guides students to start their own businesses in digital health.

Pablo holds a master’s in Business Technology from the Ramon Llull University, and a bachelor’s degree in Economics and Business Administration from Pompeu Fabra University. He was named to Forbes 30 Under 30, Healthcare list in 2016.
Pablo enjoys traveling and sports. He is also a big foodie.

Chief Medical Officer

Anisha Patel-Dunn, D.O.

Dr. Anisha Patel-Dunn serves as Chief Medical Officer at LifeStance Health. Anisha has nearly 20 years of experience as a practicing psychiatrist and managing a large group practice, having co-founded Pacific Coast Psychiatric Associates, Inc. (PCPA) in 2006, now part of LifeStance Health, in San Francisco.

Anisha is responsible for overseeing all clinical services delivered through LifeStance ensuring that care quality meets and exceeds professional standards.

Anisha holds a Bachelor of Science in Biology from Emory University and received her medical degree from The College of Osteopathic Medicine of the Pacific at Western University of Health Sciences. She completed her adult psychiatry residency training at California Pacific Medical Center and is a Board Certified Adult Psychiatrist.

Anisha enjoys spending time with her family, traveling, hiking, and scuba diving.

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