PORTFOLIO CXO ADVISORY BOARD THESIS TEAM BLOG Adam Carmi - Co-founder & CTO Gil Sever - Co-founder & CEO Moshe Milman - Co-founder & COO Applitools is an AI-based SaaS Visual Application Testing and Monitoring Solution. Their technology validates all visual aspects of any web, mobile and native app in a fully automated way. Acquired by Thoma Bravo in 2021 WEBSITE Partner: Tim Guleri » Sector: AI/ML, Cloud, Enterprise Applications, IoT/Infrastructure, SaaS Gil Sever CO-FOUNDER & CEO, APPLITOOLS "Tim Guleri and Sierra were the first US-based VC we chose to take on as our partners in the US. They were a strong investor and supporter throughout our journey. Sierra's CXO Advisory Board provided us a great platform to meet with Fortune 500 CIO's that helped us understand market needs and created business leads that ended up in Tier 1 enterprise customers." Contact 1400 Fashion Island Blvd. Ste. 1010 San Mateo, CA 94404 Tel: 650.854.1000 info@sierraventures.com Follow Us Portfolio CXO Advisory Board Thesis Team Blog Press Kit Careers INVESTOR LOGIN ©2021 Sierra Ventures. All Rights Reserved. Terms of Use

PORTFOLIO CXO ADVISORY BOARD THESIS TEAM BLOG Mitchell Liu - Co-founder & CEO Jieyi Long - Co-founder & CTO Theta Labs pioneered Theta Network, the leading video delivery network powered by blockchain technology. Theta enables existing video platforms to drive incremental revenues and reduce content delivery CDN costs while end-users are rewarded for sharing their bandwidth to relay video on a peer-to-peer basis on any PC, mobile, Smart TV, or IoT device. WEBSITE Partner: Ben Yu » Sector: Blockchain Mitchell Liu CO-FOUNDER & CEO, THETA LABS "Ben Yu and the Sierra Ventures team was our first money in when we started Theta Labs in 2016. But far more valuable were the behind-the-scenes advice, encouragement and introductions that enabled us to pivot our business to become a unicorn." Contact 1400 Fashion Island Blvd. Ste. 1010 San Mateo, CA 94404 Tel: 650.854.1000 info@sierraventures.com Follow Us Portfolio CXO Advisory Board Thesis Team Blog Press Kit Careers INVESTOR LOGIN ©2021 Sierra Ventures. All Rights Reserved. Terms of Use

PORTFOLIO CXO ADVISORY BOARD THESIS TEAM BLOG Ralph Passarella - Co-founder & CEO Michael Lin - Co-founder, President & Executive Chairman Reify Health provides leading cloud-based solutions that connect and empower the clinical trial ecosystem. WEBSITE Partner: Mark Fernandes » Sector: Health Tech Ralph Passarella CO-FOUNDER & CEO, REIFY HEALTH "Mark and the Sierra Ventures team have been outstanding partners and advocates for Reify Health throughout our work together. They bring a wealth of enterprise software experience and a strong healthcare network to our team and are always willing to help however they can." Contact 1400 Fashion Island Blvd. Ste. 1010 San Mateo, CA 94404 Tel: 650.854.1000 info@sierraventures.com Follow Us Portfolio CXO Advisory Board Thesis Team Blog Press Kit Careers INVESTOR LOGIN ©2021 Sierra Ventures. All Rights Reserved. Terms of Use