mobile-bg

Team

Meet the r4 team and its advisors.


Leadership
Sean Donnelly

Sean Donnelly

Co-Founder & CEO

Sean has been recognized as an AFCEA Military IT Leadership awardee, a SANS Core NetWars champion, and a Forbes 2021 30 Under 30 selectee. He’s earned CISSP, GPEN, and OSCP certifications along with a B.S from the United States Naval Academy and an M.S from Boston University.

Luke Zirngibl

Luke Zirngibl

Co-Founder & CPO

Luke has been building digital products for 10+ years. He has experience working as a designer and developer on countless projects in the cybersecurity, finance, blockchain, and gaming industries.

Advisors
CWO5 (US Navy Ret.) Jeff Fisher

CWO5 (US Navy Ret.) Jeff Fisher

Advisor

Locations

Check out where we operate from


Domicile
Domicile

56 Broad ST STE 14059

Boston, MA 02109

United States

Maryland Office
Maryland Office

7142 Columbia Gateway Drive

Columbia, Maryland 21046

United States

Zürich Office
Zürich Office

Hohlstrasse 186

Zürich, 8004

Switzerland

The private beta is live. If you are interested contact us.