GreyMatter | 3,127 followers on LinkedIn. GreyMatter is a venture capital firm created to support bold founders building the future of mental health. | GreyMatter is a venture capital firm created to support bold founders building the future of mental health and emotional wellness. We believe innovative approaches to mental wellbeing have the power to not only reshape healthcare, but to touch every part of our lives, improving the way we live, work, learn, relate to one another. Our team has decades of experience investing in, building, and advising companies at the intersection of mental health and technology.