Our Team

Dave brings over two decades of experience in the healthcare and mental health industries to LifeStance. He joined the organization in 2022 as Chief Financial Officer. Previously, he served as CFO of Magellan Health, a leader in behavioral health and pharmacy management. Prior to Magellan, he held multiple roles at Cigna, including CFO of Cigna’s U.S. and international healthcare business units. Dave started his career with the U.S. Coast Guard and brings a long track record of building strong relationships and effective, cohesive teams. Dave holds a Bachelor of Science from the United States Coast Guard Academy and an MBA from the University of Maryland, Robert H. Smith School of Business.

As Chief Financial Officer, Ryan brings a deep understanding of the healthcare marketplace and strategic and operational finance expertise. He has over 25 years of healthcare experience, including 15 years in CFO roles. Previously, Ryan served as CFO of Help at Home, the leading national provider of innovative, high-quality, relationship-based, in-home care services for seniors and people living with disabilities. Prior to Help at Home, he was with Cigna for over 20 years, most recently as CFO of Government Business. Ryan has extensive experience in government and commercial programs, delivery of healthcare and population and value-based solutions. He received a Bachelor of Arts in Finance from Michigan State University and an MBA from the University of Rochester.

As Chief Growth Officer, Dan leads business development, clinician recruiting, marketing and mergers and acquisitions, ensuring LifeStance is positioned to help as many patients as possible receive high-quality mental healthcare. Dan brings over two decades of experience driving growth and commercial strategy for organizations across the healthcare industry. Most recently, he served as the Chief Strategy and Marketing Officer at Iris Telehealth, a telepsychiatry company serving health systems and clinics. Prior to Iris Telehealth, Dan held senior leadership positions at healthcare organizations including Hillrom (now a part of Baxter), AbbVie, CIGNA and Putnam Associates, a boutique healthcare strategy consultancy. Dans holds a bachelor’s degree in Economics from Duke University and an MBA from the University of Chicago Booth School of Business.

With over 25 years of experience in the healthcare industry, Richard brings a demonstrated track record of driving performance improvements across key functions including accounts payable, business intelligence, credentialing, customer service, payroll and revenue cycle management, among others. Richard is dedicated to people leadership and development while ensuring continuous improvements through people-centric business process management. Before joining LifeStance, Richard served as Chief Revenue Officer for Kindred at Home, where he was responsible for centralizing critical processes, implementing a new practice management system and leading all revenue cycle management. Richard also served as the Chief Administrative Officer for Curo Health Services, the hospice division of Kindred at Home, leading the accounts payable, human resources, payroll and revenue cycle teams. Prior to Curo Health Services, Richard served as Managing Director, Business Services at ChenMed, where he established a business services organization that supported corporate functions for the physician-led primary care company focused on value-based care and population health. Richard holds a bachelor’s degree in Business Administration from Louisiana State University and an MBA with a concentration in Healthcare Management from East Carolina University.

As Executive Vice President, Practice Operations, Lisa oversees LifeStance’s nationwide operations and ensures that the organization delivers an exceptional experience for its clinicians, clients and patients. Lisa is a tenured healthcare leader with deep expertise in building effective teams and driving excellence in business outcomes. Previously, she served as Chief Operating Officer and Interim Chief Executive Officer for Invo Healthcare, where she was responsible for executing the organization’s vision to transform autism treatment. While at Invo, Lisa led clinical service delivery, patient operations and people services strategy for Invo’s Applied Behavioral Analysis and mental health services across a continuum of care settings. Prior to Invo, Lisa spent over five years at DaVita Kidney Care directing clinical, operational and business development outcomes on behalf of end-stage renal disease patients across multiple geographic areas. Before transitioning to the healthcare services industry, Lisa spent over a decade leading strategy, growth and operations at several leading for-profit and not-for-profit organizations in the education reform space. Lisa holds an M.S. in Neuroscience from the University of Medicine and Dentistry of New Jersey and received an MBA from Columbia Business School.

Ryan has served as LifeStance’s Chief Legal Officer since 2017. Prior to joining LifeStance, he was General Counsel at Liberty Dialysis until its acquisition by Fresenius Medical Care in 2012, when he subsequently served in a mergers and acquisitions and business development capacity for Fresenius. In addition, Ryan co-founded and served as a director and in an executive capacity overseeing value-based program design, lobbying and analytics in addition to core legal issues at Liberty Health Partners, which merged with Signify Health. Ryan also served as general counsel for AIM Consulting, a technology consulting company. Previously, he served as Corporate Counsel at Eddie Bauer Holdings, leading the securities law reporting function prior to their going private transaction. Prior to entering the corporate world, Ryan practiced corporate finance and acquisitions at the law firm Dorsey & Whitney LLP. Ryan received an undergraduate degree in Economics from Stanford University and a J.D. from Harvard Law School.

Vaughn is an experienced health care technology executive with more than 25 years of experience leading digital transformation initiatives, enabling AI-powered insights and streamlining digital tools to enhance care delivery. As Chief Technology Officer at LifeStance, Vaughn leads the organization’s end-to-end technology strategy, ensuring a best-in-class digital experience for both patients and clinicians. Prior to joining LifeStance, Vaughn served as Executive Vice President of Enterprise Platforms at Amwell, where he led the product and technology teams in driving digital transformation for clinicians, patients and payor and provider organizations. Earlier in his career, Vaughn spent a decade at UnitedHealth Group in various leadership roles, including Chief Information Officer of Optum Health, where he led technology and innovation initiatives across the provider and patient care ecosystem. Vaughn holds a B.S. in International Finance from the University at Albany.

As Chief Strategy Officer, Toi leads LifeStance’s strategic planning and enablement and enterprise insights functions, ensuring the organization’s strategic decisions and culture align to drive value for all key stakeholders. Prior to joining LifeStance, Toi co-founded a two-sided, tech-enabled marketplace, where she led product vision, strategic execution and development. Previously, she led large, multi-disciplinary teams at IDEO, a global design and innovation firm. In this role, she specialized in designing people-centered services, leading user research, and building and launching new ventures with a strong focus on healthcare delivery, consumer health and medical devices. Toi has also held strategic roles at leading mental health and healthcare organizations, including Headspace and Memorial Sloan-Kettering Cancer Center, where she was instrumental in designing and building exceptional, patient-centered care and service experiences. Toi received a B.B.A. in Design and Management from Parsons School of Design at The New School.

As Chief People Officer, Ann leads all aspects of LifeStance’s human resources function and people strategy, ensuring that the company delivers an exceptional employee experience and culture. With over 20 years of experience, she brings a proven track record of developing strong cultures and high-performing teams at leading organizations. Prior to joining LifeStance, Ann spent a decade at Discover Financial Services in a variety of senior leadership roles. Most recently, she served as Vice President, Workforce Management, Operations Analytics and Communications and was responsible for implementing new operational strategies and providing strategic staffing direction for Discover’s Card and Consumer Banking verticals. Previously, Ann spent nearly ten years in the pharmaceutical industry overseeing leadership development, post-acquisition integrations, operational change management and technology solutions to drive improved performance. Ann received a B.S. in Organizational Psychology from The University of Utah and a M.S. in Organizational Communication from Northwestern University. She is based in Scottsdale, Arizona.