Elite distance runner joins Amazfit's growing athlete team and will play an active role in product testing and innovation MILPITAS, Calif., Sept. 11, 2025 /PRNewswire/ --Â Amazfit, a leading global smart wearables brand owned by Zepp Health (NYSE: ZEPP), today announced two-time Olympic medalist and American record holder Grant Fisher as the newest addition to its roster of athlete ambassadors. Fisher will collaborate closely with Amazfit on product testing, athlete storytelling, and community engagement as ...