The Exceptional Women Alliance (EWA) proudly announces the addition of Erin Cahalan Hayes, Chief Operating Officer of OneHealth Plus, to its exclusive community of high-level women executives

LOS ANGELES, Oct. 27, 2026 /PRNewswire/ -- The Exceptional Women Alliance (EWA) proudly announces the addition of Erin Cahalan Hayes, Chief Operating Officer of OneHealth Plus, to its exclusive community of high-level women executives.

Erin Cahalan Hayes

Ms. Hayes is a proven growth executive and operational strategist with expertise in scaling organizations, driving enterprise value, and building high-performing operating models. In her role as Chief Operating Officer at OneHealth Plus, she oversees operational strategy and execution, partnering closely with executive leadership to advance organizational priorities and support sustainable growth. As a member of the executive leadership team, Ms. Hayes has played an integral role in supporting a period of significant growth at OneHealth Plus, including more than 500% year-over-year growth and a sixfold expansion of its internal team. Ms. Hayes has contributed to strengthening the operational infrastructure, technology, processes, and cross-functional leadership capabilities that support the company's continued growth and long-term scalability.

"Erin is a dynamic, builder-minded operational leader who possesses the rare ability to translate complex strategic challenges into seamless, high-growth execution," said Larraine Segil, Founder, Chair, and CEO of EWA. "Her track record of scaling OneHealth Plus during a period of monumental growth—paired with her entrepreneurial spirit and commitment to developing future leaders—is truly outstanding. Beyond her executive achievements, Erin's dedication to mentorship and values-led leadership aligns perfectly with our community. We are thrilled to welcome her to EWA."

Throughout her career, Ms. Hayes has focused on helping organizations evolve, optimize, and unlock substantial market potential. Her strategic management and consulting contributions have supported initiatives generating more than $1 billion in enterprise value while simultaneously delivering meaningful value to consumers. An entrepreneur at heart, she has founded two successful companies, bringing an innovative, solution-oriented mindset to every stage of organizational growth. Earlier in her tenure at OneHealth Plus, she served as Director of Partnerships, cultivating strategic channel collaborations with brokers, associations, and PEOs to expand nationwide PPO coverage to underserved small business markets.

Active in industry governance and community leadership, Ms. Hayes serves on the Advisory Board of the Health and Voluntary Benefits Association (HVBA), where she leads the Young Professionals Committee to cultivate the next generation of industry leaders. A graduate of Texas Christian University, she actively mentors undergraduate students through the Neeley School of Business.

"I am honored to be selected to join the Exceptional Women Alliance and to be part of a community of women who are committed to supporting, challenging, and learning from one another," said Erin Cahalan Hayes. "Throughout my career, I have been fortunate to work alongside exceptional leaders who have shaped my perspective on leadership and the importance of investing in others. I believe meaningful success is built through collaboration, continuous learning, and creating opportunities for the next generation of leaders. I look forward to contributing to and growing alongside this remarkable community."

About the Exceptional Women Alliance (EWA) The Exceptional Women Alliance (EWA) is an invitation-only peer mentorship organization where high-level Exceptional Women from across multiple industries are hand-selected and invested in, to grow, learn, share, and succeed. The year-long program enables each member to be connected as alumnae for life in the ever-expanding EWA global community, as their fellow women leaders continue to move into positions of significance. EWA is a values-led community that prioritizes Kindness, the Spirit of Generosity, Transparency, Gratitude, and Willingness to Share. Learn more at www.exceptionalwomenalliance.com.

Larraine Segil 

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SOURCE Exceptional Women Alliance