challenges
For Business
Who We Are
Results
search
Get Started
I want to launch a challenge
Connect to talented problem solvers
I want to solve a challenge
Join our community to win prizes
log in
menu
log in
challenges
For Business
Who We Are
Results
share
Follow
Following
Unfollow
David Grandy
share
Follow
Following
Unfollow
Castro Valley, California, United States
message
Read More about David
more
Following
Awards
Following
Challenges
by General Electric
122
In Good Company Challenge
Improving the experience of aging in Massachusetts through creative new solutions.
Brands
General Electric
Awards
