Alex Sirota

Yahoo!, Loop Commerce
Alex is the co-founder, CTO and Head of Product of Loop Commerce. He is an entrepreneur with 20 years of experience of building companies, products and teams. After heading a computer unit in the Israeli military, Alex started his first company, Elbrus, in 1997. Elbrus developed sophisticated software solutions for large clients, such as Philips Medical Systems, IBM and others. In 2005, he co-founded FoxyTunes, which developed the world’s most popular music browser add-on. After FoxyTunes was acquired by Yahoo! in 2008, Alex spent over four years as Yahoo!’s Head of Media Web Apps, running multiple high-profile projects, products and initiatives. Alex is an angel investor, advisor to startup companies and a published author.

Lev Mass is an Entrepreneur-in-Residence at XSeed Capital, bringing extensive expertise in cloud computing, mobile, and business development.

Prior to joining XSeed, Lev ran operations and business development for the Cloud Group at Yahoo!. While at Yahoo!, Lev helped to facilitate the spin-off of the Hadoop Group into what is now Hortonworks, a leading big data company. In addition, he held a number of executive roles at Yahoo! helping to define strategy for mobile, social, cloud and big data. Previous to Yahoo!, Lev was an investment banker with Thomas Weisel Partners focused on TMT (technology, media, telecommunications) and health technology.


AngelList profile