Ivan Grytsenko
@vanvector
Netherlands, Amsterdam
Joined Jul 2010
World Rank: #6019 (5.9 points)
Institution: Booking.com
Activity over the last year
Effectiveness
- Problems solved
- 82
- Solutions submitted
- 155
Netherlands, Amsterdam
Joined Jul 2010
World Rank: #6019 (5.9 points)
Institution: Booking.com