Our Team

Josef Mandelbaum • Executive in Residence

Josef Mandelbaum
Israel • Joined Battery in 2017

Josef is an executive-in-residence based in Battery’s Israel office. He is a seasoned executive with over 25 years of experience, with 17 years as CEO.  Mr. Mandelbaum was one of the early pioneers in the internet and digital media industry. He launched a very successful online subscription service that grew to over 4 million members, and was a leading developer of mobile content and apps from the early days of the mobile content industry. He has been deeply involved in the ad tech industry since its inception. In addition, he has significant experience in the entertainment and licensing industry, with product and character launches of Care Bears, Strawberry Shortcake, Holly Hobbie, among others.

Josef has forged relationships with leading technology and retail companies as well as major consumer brands and entertainment companies throughout his career; including Apple, AOL, Verizon, Vodafone, Microsoft, Google, Facebook, Walmart, Target, Disney and Nickelodeon. He has executed 20 acquisitions and integrations, raised capital through both the debt and equity markets, and has been a noted speaker at many industry and investor events.

As CEO, Mr. Mandelbaum has grown companies from $10 million to over $300 million in revenue multiple times, grown profits to more than $50 million, and established operations globally with over 700 employees in 10 countries. Most recently, he was CEO of Perion, a NASDAQ listed company. Prior to that he was CEO of American Greetings’ Internet and Media Group.

Mr. Mandelbaum has a BA in Economics from Yeshiva University and an MBA in Marketing from The Weatherhead School of Management at Case Western Reserve University.  He also received a certificate in Strategy from the Harvard Business School Executive Education Program and is the inventor of four issued patents.