Explore
Challenges
For Business
For Startups
Who We Are
Results
Get Started
Launch a challenge
Connect with talented problem solvers
Solve a challenge
Join our community and win prizes
Log In
menu
log in
Explore Challenges
For Business
For Startups
Who We Are
Results
share
Follow
Following
Unfollow
message
Alexander Matathia
Mattapoisett, Massachusetts, United States
more
About
Challenges
Following
Activity
Awards
Activity
About
Challenges
Following
Activity
Awards
Jan. 31, 2021, 12:58 p.m. PST
Katherine Leighton's team
joined team
Feb. 1, 2021, 6:44 a.m. PST
Groundbreaking Hydro Prize
registered for challenge
