Workplace Wellbeing Initiative Members
Initiative Chair, Jessica Grossmeier
Author, Speaker, Researcher, Jessica Grossmeier Consulting, United States
Jessica Grossmeier, PhD, MPH, is an award-winning researcher, speaker, and author of two books: Reimagining Workplace Well-being and Well At Work. As a leading authority in workforce well-being, she collaborates with employers and well-being service providers to create evidence-based strategies to support individual and organizational thriving. Recognized as one of the most influential women leaders in health promotion by the American Journal of Health Promotion, Jessica serves as a Senior Fellow for the Health Enhancement Research Organization; Strategic Advisor, ROI of Care for Compassion 2.0; Chairs the Workplace Wellbeing Initiative of the Global Wellness Institute; Chairs the annual Art and Science of Health Promotion Conference, and serves on several advisory boards. Jessica holds doctoral and master’s degrees in public health, specializing in community health education.

Vice-Chair, Ellenit Serrano
Fractional Operations Executive and Workplace Well-Being Strategist, United States
Ellenit Serrano is a Fractional Operations Executive and Workplace Well-Being Strategist on a mission to power sustainable operations and shape the future of work. As the founder of Esencia Solutions, she uniquely blends her Fortune 100 leadership experience with deep expertise in well-being to help individuals and organizations redefine success—shifting from traditional performance metrics to a more holistic approach at the intersection of purpose, performance, and sustainability. She also co-chairs the Workplace Wellbeing Initiative and is a founding member of Empressa.ai, a Microsoft-powered platform advancing equity and the future of work for women.
Pauline Akello
Psycho-Social Support Consultant, Strategic Engagement, Uganda
Pauline, a psychologist with expertise in clinical and I-O psychology, bridges the gap between individual mental health and workplace impact. She designs evidence-based wellness programs tailored to organizational needs, promoting mental health and fostering positive workplace cultures. Skilled in implementing policies, managing transitions, and addressing complex interpersonal dynamics, Pauline enhances employee well-being, engagement, and organizational performance through open communication, teamwork, and support systems.
Joanna Arnett
Workplace Wellbeing Strategist and International Program Manager, Optum, United Kingdom
Joanna drives the International Wellness Program for Optum’s client, a Fortune 500 financial institution. With over 18 years of global marketing and workplace wellbeing expertise in high‑tech environments, she designs holistic solutions that strengthen culture and performance, manages vendor partnerships, and leverages data insights to evaluate program impact. Fluent in English, German, Polish, and Russian, Joanna is an ICF ACC accredited wellbeing coach and a 500RYT yoga teacher. Having managed multi‑million budgets, complex deadlines, and international teams, she understands the pressures leaders and employees face daily. She is dedicated to empowering organizations to achieve optimal health and resilience while cultivating positive, supportive workplace cultures.
Elizabeth Bachrad
Population Health Strategist and Head of Strategy at Business for Health, United Kingdom
Elizabeth Bachrad is a Population Health Strategist and Head of Strategy at Business for Health, a UK business-led coalition supporting long-term sustainable innovation and investment in preventative health and care. Bridging academia, government and industry approaches, she advises governments and organizations globally in human capital management to promote sustainable health, social development and community-level impact across the business ecosystem. She also sits on the NIOSH Healthy Work Design Council and the Workplace Wellbeing Initiative for the Global Wellness Institute. With Masters in Sport Psychology and Population Health, she is a mission-driven advocate for achieving health, equity and environmental sustainability – The Triple Win.
Ryan Briggs
Founder, FinWELL Global, United Kingdom
Ryan Briggs is the founder of FinWELL, an award-winning training provider specialising in workplace financial education and wellbeing. Working with organisations like Aston Martin, Asics, Coca-Cola, Birmingham University, Cornwall & Devon Police, Hays, HM Land Registry, they have developed a range of services to help employees improve their money knowledge, understanding, and confidence along life’s financial journey. CPD Certified training includes a focus on Apprentices & Young Adults, Men’s & Women’s Health, Pensions & Retirement Planning with personalised pilot programmes to get started. Visit www.finwell.training.
Nuz Chagan
Communications & Engagement Manager, PFAS and Co-Founder Workplace Wellbeing Alliance, United Kingdom
Nuz currently works as a Communications and Engagement Manager at UK based organisation PFAS. In her role, she oversees the functions of Wellbeing, Social Value, Communications and Engagement. She is also co-founder of the Let’s Improve Workplace Wellbeing initiative, which is dedicated to advancing global workplace wellbeing standards. With a holistic approach encompassing mental, financial, social, and physical wellbeing, she emphasizes the interplay of personal, social, economic, and work-related insecurities.

Jen Fisher
Founder and CEO of The Wellbeing Team | Global Expert on Workplace Wellbeing | Bestselling Author | The WorkWell Podcast Host | TEDx Speaker – United States
Jen Fisher is a leading author, speaker, and expert in workplace wellbeing and human sustainability. As Founder and CEO of The Wellbeing Team and pioneer of the wellbeing intelligence movement, she was Deloitte US’s first Chief Wellbeing Officer, revolutionizing workplace culture through holistic strategies. Author of the upcoming “Hope is the Strategy” (2026) and host of The WorkWell Podcast, Jen helps organizations dismantle systemic barriers and create environments where people naturally thrive, guiding leaders to prioritize both human outcomes and business success.
Sylvia Greenley
High-Performing Culture & People Experience Consultant, United States
Sylvia Greenley helps organizations build high-performing, human-centered cultures that improve innovation, engagement, and business results. As a Culture & People Experience Consultant, she combines human-centered innovation, employee experience design, and workplace wellbeing to improve how teams collaborate, adapt, and deliver on strategic priorities. She previously led Intuit’s Innovation Catalyst Community, a network of hundreds of employees who dedicated part of their time to facilitating, coaching, and teaching design thinking across the company. In that role, she led innovation culture initiatives and designed programs that trained more than 1,500 employees to apply design thinking and generative AI to accelerate innovation, improve ways of working, and drive impact. As an internal wellbeing champion, Sylvia has led interactive workshops for hundreds of employees, helping teams build connection, resilience, and psychological safety – key enablers of performance, retention, and sustainable growth. Her earlier experience in Intuit’s Human Resources organization, where she focused on employee and workplace experience, gives her a deep understanding of how systems, leadership behaviors, and culture shape outcomes. Today, Sylvia partners with organizations to intentionally shape culture, elevate employee experience, and embed wellbeing as a driver of engagement, innovation, and long-term business performance.
Dr. Natalie Grinvalds, PhD, MPH, CHES
Health Behaviour Scientist | Workplace Wellbeing Strategist | Certified Health Education Specialist, Health Coach & Health and Fitness Professional | Founder, Resilience Fitness + Wellbeing – United States / United Kingdom
Dr. Natalie Grinvalds is a health behaviour scientist, workplace wellbeing strategist, certified health education specialist, and health coach with over 15 years of experience integrating behavioural science, physical activity, and fitness into evidence-based workplace wellbeing strategies across the U.S. and U.K. She brings both academic rigour and practitioner insight to helping organisations build healthier, more resilient cultures of work. Natalie is a Research Associate at Sheffield Hallam University’s Advanced Wellbeing Research Centre, where her work focuses on physical activity, behaviour change, and reducing health inequalities through whole-systems and place-based approaches. Her doctoral research explored how integrating healthcare and leisure services can embed movement and wellbeing into everyday systems of care. Alongside her academic role, Natalie is a certified health and fitness professional and the Founder of Resilience Fitness + Wellbeing, where she partners with organisations to co-create inclusive wellbeing strategies, deliver leadership and line manager training, and support sustainable behaviour change through health coaching and motivational interviewing. Her work helps organisations move beyond wellbeing as a programme toward wellbeing as a core organisational capability. Natalie is a speaker, educator, and advisor translating behavioural science into practical, human-centred wellbeing solutions for today’s workplaces. She is a member of the Global Wellness Institute’s Workplace Wellbeing Initiative and is passionate about shaping the future of work through compassionate, evidence-informed leadership.

Caitlin Guilfoyle
Modern Work Leader, Speaker, Coach and Mentor, Board Member, Australia
Caitlin Guilfoyle is a Modern Work Leader who partners with purpose-driven organizations to evolve the way they work. With two decades of experience across sectors, she helps leaders design thriving, human-centred workplaces that prioritise wellbeing, clarity, and sustainable performance. Caitlin’s work spans leadership strategy, coaching, and workplace wellbeing – supporting teams to align culture, capability and ways of working. A sought-after speaker and certified Leadership Circle Profile coach, she brings deep expertise in modern leadership and has been featured in national media for her expertise.
Joana Kebss
Founder, Life As Style, Brazil
More than 12 years as an integrative health specialist brought Joana Kebss a deep understanding on how to develop energizing wellness experiences. Her medical background embraces: ~ functional medicine ~ aesthetic medicine ~ lifestyle medicine. Her design skills embrace: ~ branding ~ aesthetic intelligence ~ luxury market. This philosophy and aesthetic design blends minimalist architecture with coast indoor / outdoor living to incite wellbeing. Through this approach, her business, Life as Style, became synonymous with “style as medicine” providing consulting, concept design and development for wellness business or wellness seeker business.
Talya Landau
Workplace Wellbeing Strategist & Speaker
Talya brings a unique blend of tech leadership and holistic wellbeing expertise, having led wellbeing at Wix and innovation at Amdocs. Trained in Positive Psychology and Health Coaching, she now consults and speaks on workplace wellbeing. Specializing in burnout prevention and energy management, she helps organizations design impactful initiatives that empower managers and teams to thrive.
Nicholas Layne
Vice President of Strategic Growth at Propel, United States
Nicholas Layne is the Vice President of Strategic Growth at Propel, with seven years of experience designing high-performing wellbeing programs for large and diverse workforces. He specializes in applying behavioral science to create engaging, culturally aligned health initiatives that drive meaningful behavior change. Nicholas developed the culture integration framework used by multiple Fortune 500 companies and co-leads the strategic direction for Propel’s wellbeing program design. He is a recognized educator and facilitator who regularly presents to corporate leaders, wellbeing professionals, and national audiences on motivation, behavior change, holistic wellbeing, and organizational culture.
Ollie Martin
Global Workplace Financial Health Architecture | Curiosity-Led Strategy across Home, Work & Health, United Kingdom
Ollie Martin is a global financial health leader working at the intersection of strategy, health, and human impact. He has led large-scale financial health initiatives across 60 countries for Amazon, designing the architecture, governance, and measurement of financial health benefits that reduce stress and support long-term security for global workforces. Curiosity sits at the core of Ollie’s approach. Through his Get Curious philosophy — focused on the everyday decisions we make at home, work, and in our health — he explores how better questions lead to better outcomes. This perspective is captured in his published Curiosity Journal, designed to help people slow down, reflect, and make more intentional choices across these three domains. Ollie brings these worlds together by pairing rigorous, scalable financial health systems with a deeply human understanding of behaviour, agency, and lived experience.
Emily Pearson
Founder & CEO, Wellbeing Lead Academy Ltd, United Kingdom
Emily Pearson is a leading voice in Human Sustainability and strategic workplace wellbeing. With 15 years in health and social care and a decade driving transformation in the workplace wellbeing sector, she combines clinical insight, strategic capability, and lived experience to reshape how organisations support their people. She is the founder of the Wellbeing Lead Academy, home to the UK’s first and only accredited career pathway for wellbeing leads – including the pioneering Level 5 Advanced Certificate in Strategic Wellbeing Leadership – and creator of the Human Sustainability Framework™️, guiding organisations to move beyond wellbeing initiatives and build regenerative, high-performing cultures. Emily also leads the nationally recognised ManBassador™️ Programme, the first workplace men’s health intervention of its kind, addressing the 5 biggest killers of working age men through a male friendly approach to improving men’s health at work. A sought-after keynote speaker and advisor to organisations such as EY, Sky, and Hitachi Rail, Emily is known for her clear thinking, authenticity, and ability to turn complex human challenges into strategic opportunities. Her book, Human Sustainability: Solving the CEO’s Blind Spot, publishes in 2026.
Lygeia Ricciardi
Founder and CEO of AdaRose, United States
Lygeia Ricciardi is the Founder and CEO of AdaRose, a workplace wellness company that uses personalization and social connection to help co-workers thrive. Prior to starting AdaRose, Lygeia spent more than 20 years at the vanguard of the patient engagement movement in digital health, in both the private and public sectors, where she established national policies and programs related to empowering patients through technology. Lygeia has been named among the Top 30 Voices Transforming Wellness, Most Influential Women in Health IT, and the 50 Most Influential Voices in Healthcare. She’s a frequent speaker and blogger and has appeared in Forbes, The Wall Street Journal, and Consumer Reports. She holds a Masters in Technology in Education from Harvard and a BA from Wellesley College. She lives in Washington, DC with her husband, daughters, and two Siamese cats.
Krystal Sexton, PhD
Founder and CEO of Cognitive Capital Group, United States
Krystal Sexton, PhD, is the Founder and CEO of Cognitive Capital Group and a globally recognized leader in health and well-being. Krystal has been an invited speaker at the United Nations General Assembly, G7, and many international and US-based symposia, an author of numerous publications and book chapters, and an advisor and Board of Directors member for scientific non-profit and government organizations. Over the past two decades, Krystal has held positions in academia and industry, with her work spanning across health disparities and inequities and workplace mental, physical, and brain health.
Reena Sheth
Wellness strategist and Founder of Gaiia, India
Reena Sheth is a wellness strategist and Founder of Gaiia. She represents the Sustainable Wellness Group (UK) in India and serves as the World Wellness Weekend Ambassador for India and APAC. She is also an initiative member of Wellness for Cancer at the Global Wellness Institute and contributes to regional wellness dialogue through her board role with the Asia Pacific Spa & Wellness Coalition (APSWC), amongst others. Her work focuses on the development of regenerative and integrative wellness systems across hospitality, workplace wellness, and community wellness contexts, with particular emphasis on emotional health, sustainability, and systemic impact. With extensive experience across Asia-Pacific markets, Reena contributes to cross-sector dialogue on the future of wellness, translating global research and policy frameworks into culturally relevant, scalable initiatives. Through her engagement with World Wellness Weekend, she supports inclusive wellness participation, public-private collaboration, and evidence-informed programming aligned with long-term societal wellbeing. She is the author of the book Gaia – Your Living Wellness Playbook, an upcoming publication exploring practical wellness rituals across sleep, food, movement, mindfulness, and purpose.

Corey Spiegel
Founder & CEO, Light House, United States
Corey Spiegel is a former senior executive with 25+ years in entertainment sales and marketing. She is the Founder of Light House, a global platform empowering women through authentic conversations and community support. Often compared to a modern book club, Light House hosts engaging sessions addressing real-life challenges, fostering resilience and connection. Featured in outlets like The Wall Street Journal and NBC News, Corey was named one of Los Angeles’ Top 50 Female Leaders of 2024.
Gloria Treister
Board Certified Holistic Health Coach and Practitioner/Founder, Wellness Evolution, United States
Gloria Treister, HHP, is an award-winning wellness entrepreneur, speaker, Founder/CEO of Wellness Evolution—and bestselling author of “Wellness 101: Simple Steps to Good Health.” Through a Functional Medicine lens, she’s known for translating complex health concepts into simple, motivating actions that support healthy longevity and wellbeing—especially for busy professionals. Gloria partners with Functional Medicine physician Tammy Gutierrez, MD (“Dr. G”) through their ‘Get Well With Us’ collaboration, expanding access to creative, affordable, and personalized wellness programs for corporations. Their ‘Your Wellness Your Way’ workplace programs drive optimal engagement through fun, purpose-driven missions and challenges that build momentum and lasting habits. Learn more by reaching out to Gloria at [email protected].

Ahna de Vena
Global Innovator in Sleep Health & Performance | Author, Speaker, Holistic Sleep Educator, Australia
Ahna de Vena, founder of REVIVE Global, is a sleep health innovator specializing in workplace wellness and burnout prevention. With over 20 years of expertise, she pioneered Holistic Sleep Therapy and created the globally recognized Sleep Kit for Kids. Her Sleep & Dream Foundation supports trauma recovery through sleep health. Ahna’s resources, including a Qantas-featured audio program, have impacted thousands worldwide.

Sloan Wilkins
Executive Financial Coach & Financial Wellbeing Advocate, Australia
Sloan Wilkins, with 30+ years in financial services, now empowers individuals and businesses as an Executive Financial Coach. Since 2021, he has focused on reducing financial stress, building confidence, and achieving key goals. Through his Everyday Money Live program, Sloan enhances employee financial wellbeing, boosting productivity and retention. He also offers online coaching across Australia and internationally, providing practical guidance for everyday financial challenges.








































































