Greuner works with the Paris non-profit The Heart Fund, and has partnered with Dr. David Luu, CEO of The Heart Fund, to treat one patient in a developing country for every patient seen in the United States.
Greuner works with the Paris non-profit The Heart Fund, and worked with the Fund to support the Generous People Gala in Cannes. He has partnered with Dr. David Luu, CEO of The Heart Fund, to treat one patient in a developing country for every patient seen in the United States.