Greg Tarnacki is the CEO and Founder of 18Loop, a 501c3 nonprofit that deploys VR to help pediatric oncology patients tolerate treatment through a partnership with the American Childhood Cancer Organization. 18Loop is a Fast Company Honorable Mention World Changing Idea 2021.

​Greg spent 20 years in technology sales working on business intelligence, cloud and IT consulting initiatives with Fortune 500 clients. He founded CloudScience Group, a reseller of cloud solutions.

After his last role in for-profit technology, Greg joined Americorps, where he served a year helping youth in Newark, NJ prepare for careers. This service was the catalyst for founding a nonprofit. 18Loop is the culmination of all Greg has learned about technology and service.

​Greg earned a BA from Seton Hall, and holds certificates from MIT and Oxford. He sits on the Advisory Panel for Design Thinking at the Tombolo Institute at Bellevue College. Greg is a HIMSS-NJ and SIOP member. He is HIPAA certified.