Assaf has worked at one of the top law firms in Israel, specialising in commercial law, venture capital funds, Internet & Computer law and Start-Ups. In 2014, Assaf established the IDC Legal Clinic for Start-ups, and has since been teaching courses such as “Entrepreneurship 101” and “International Business Negotiations” at numerous leading universities, including the IDC (Israel), Technion (Israel), Innsbruck (Austria), and Peking (China). Assaf was awarded a certificate of excellence in teaching. Additionally, he serves as an advisor and mentor to startups around the world and is a leading advisor on startups.com.