Dr. William Han is the President and Founder of Health for Longevity (H4L) and CEO of United Health Centres. With over 20 years of experience in family medicine, he focuses on preventive, integrative care that addresses root causes rather than symptoms. Trained in both Western medicine and Traditional Chinese Medicine, Dr. Han is passiona
Dr. William Han is the President and Founder of Health for Longevity (H4L) and CEO of United Health Centres. With over 20 years of experience in family medicine, he focuses on preventive, integrative care that addresses root causes rather than symptoms. Trained in both Western medicine and Traditional Chinese Medicine, Dr. Han is passionate about bridging science, lifestyle, and holistic approaches to help patients optimize long-term health and vitality.
Dr. E. Lyle Gross, Chairman of H4L, is an internationally recognized specialist in Physical Medicine and Rehabilitation and serves as Chairman of H4L. He has held academic and clinical roles at leading institutions including the Mayo Clinic and the University of British Columbia, and is an Adjunct Professor at UBC. With decades of global
Dr. E. Lyle Gross, Chairman of H4L, is an internationally recognized specialist in Physical Medicine and Rehabilitation and serves as Chairman of H4L. He has held academic and clinical roles at leading institutions including the Mayo Clinic and the University of British Columbia, and is an Adjunct Professor at UBC. With decades of global experience, Dr. Gross has pioneered rehabilitation programs and contributed to healthcare systems across North America, Europe, and beyond, with a focus on neuroplasticity and long-term functional health.
Tina Yan is a Chinese-Canadian illustrator and designer with a MFA in Illustration from the Savannah College of Art and Design and a Bachelor of Design from OCAD University. At H4L, Tina leads creative direction, operations, and partnerships, shaping the organization’s visual identity, brand strategy, and large-scale initiatives. She br
Tina Yan is a Chinese-Canadian illustrator and designer with a MFA in Illustration from the Savannah College of Art and Design and a Bachelor of Design from OCAD University. At H4L, Tina leads creative direction, operations, and partnerships, shaping the organization’s visual identity, brand strategy, and large-scale initiatives. She brings a narrative-driven approach to building impactful experiences and connecting global communities.
With over 25 years of experience in the pharmaceutical industry and more than 5 years in event planning, Claude brings a unique blend of strategic rigor, adaptability, and a passion for well-executed events to H4L. His background spans marketing, sales, operations, and technology, allowing him to navigate complex logistics and evolving de
With over 25 years of experience in the pharmaceutical industry and more than 5 years in event planning, Claude brings a unique blend of strategic rigor, adaptability, and a passion for well-executed events to H4L. His background spans marketing, sales, operations, and technology, allowing him to navigate complex logistics and evolving demands with ease. At H4L, Claude plays a key role in supporting the planning and execution of high-impact initiatives, ensuring seamless experiences that align with the organization’s vision and standards.

May is the Manager at H4L, overseeing operations and supporting the coordination of key initiatives. She also serves as General Manager at United Health Centres. With a strong organizational mindset and attention to detail, she ensures smooth execution across projects while helping drive team efficiency and alignment with H4L’s mission.

Leah supports event outreach at H4L, focusing on contacting and connecting with partners, speakers, and community stakeholders. She also serves as Manager at United Health Centres. She plays a key role in expanding engagement, building relationships, and supporting participation across H4L’s initiatives and events.
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