21st Century Healthcare, Inc., a leading manufacturer of vitamins, minerals, and supplements, and a portfolio company of Grant Avenue Capital LLC (“Grant Avenue”), a healthcare-focused, middle-market private equity firm, today announced the appointment of Katie Doyle to its Board of Directors.
Ms. Doyle brings over 30 years of experience leading and advising consumer health and wellness companies. She most recently served as Executive Chair of FoodScience Corporation, a manufacturer of nutritional supplements with branded, private label, and co-manufacturing lines of business. Prior to FoodScience, Ms. Doyle was Chief Executive Officer of Swanson Health, a private equity-backed e-commerce health and wellness business, and Senior Vice President and Corporate Officer at Abbott Laboratories, where she led the Abbott Nutrition Products Division responsible for a $3.2 billion portfolio of consumer health brands. Ms. Doyle began her career at McKinsey & Company, where she spent over 20 years advising leading consumer and retail companies. She continues to serve on the Board of Directors of multinational companies focused on health, wellness, retail, and e-commerce.
“We are excited to welcome Katie to the 21st Century board,” said Kirk Neal, President and CEO of 21st Century Healthcare. “Her deep experience in the VMS category — from scaling branded, private label, and contract manufacturing businesses to driving commercial strategy across retail and e-commerce channels — is directly aligned with our growth strategy. Katie’s leadership will be invaluable as we continue to expand our product portfolio and strengthen our position as a trusted partner to customers.”
“I am thrilled to join the 21st Century board at an exciting time for the Company,” said Ms. Doyle. “21st Century has built a strong reputation for quality and innovation over more than three decades, and I look forward to partnering with the management team and Grant Avenue to support the Company’s next chapter of growth.”
21st Century Healthcare is a leading manufacturer of vitamins and supplements dedicated to quality, innovation, and transparency. The Company’s state-of-the-art facilities in Tempe, Arizona, operate under strict Good Manufacturing Practices (GMP), supporting a broad portfolio of products for both humans and pets, including tablets, capsules, powders, and teas.














