Featured Entrepreneurs

Since 2010, MassChallenge has accelerated 2,344 startups that have raised more than $5 billion in funding, generated more than $2.7 billion in revenue, and created more than 126,000 total jobs. 

Our startups

Be inspired. Search our startups.


WhosYourGuest is a global network where accommodation providers can increase the lodging and travel experience of their guests by sharing information on guest behavior, positive or negative, giving them advance knowledge about the type of guest they are about to receive. As a result, ho(s)tels can “reward” the positive ones or take measures to protect themselves from the not so positive creating a travel culture where the good is rewarded while the less good pay the consequences of their actions
A global platform where accommodation providers share info about guests behavior, positive or negative. Like TripAdvisor but in reverse.

Connect with WhosYourGuest



2019 Finalist Israel

Sub industry

Travel & Tourism


MassChallenge strengthens the global innovation ecosystem by accelerating high-potential startups across all industries, from anywhere in the world.