The Activity Exchange is now Evidation Health

In order to accelerate progress towards a digital health enabled future, we've joined forces with GE Ventures and Stanford Healthcare to form Evidation Health. Read more about the change below.

Read the Press Release Visit Evidation Health

Meet the Team

We at the Activity Exchange are passionate about helping people lead healthier, more rewarding lives.

Mikki Nasch

Co-founder, Business

Mikki Nasch has more than 20 years of experience as an entrepreneur helping build high growth technology companies. A mobile start-up expert, Nasch has worked with more than 15 nascent companies helping them grow markets and generate revenue. She has held executive leadership roles in Sense Networks, Fair Isaac, Company DNA and BackWeb.

Alessio Signorini

Co-founder, Technology

Prior to AchieveMint, Alessio was the Director of Technology at and OneRiot, and participated to TechStars NY as cofounder of an artificial intelligence startup. He received a Ph.D. in Computational Epidemiology from the University of Iowa and his innovative medical research recently won awards from the Robert Wood Johnson Foundation.

Christine Lemke

Co-founder, Product

Christine was previously the co-founder and Chief Operating Officer of Sense Networks, developers of the first machine learning platform for mobile activity data. She's also held roles at 3iGroup (Paris), Microsoft XBOX and co-founded product analytics firm Channel Velocity/IQ.

Luca Foschini

Co-founder, Data Science

Luca has worked in software engineering at, Google Research, ETH Zurich and CERN. He has a Ph.D. in Computer Science from UC Santa Barbara where he developed efficient algorithms for spatial data and detecting anomalies in computer networks.