Management Directors Governance Committees
Samuel (Shmuel) Jonas
Chief Executive Officer

Age: 38

Shmuel Jonas has served as Chief Executive Officer of the Company since January 2014.  Mr. Jonas served as Chief Operating Officer of the Company from June 2010 through December 2013.  Mr. Jonas joined the Company in June 2008 and served as a Vice President until June 2009 when he was elected to serve as the Company’s Vice President of Operations. Since 2004, Mr. Jonas has been the managing member of Arlington Suites, LLC, manager of a thirty million dollar mixed-use ground up development project in Bronx, New York. In addition, Mr. Jonas was a director of Zedge, Inc., a former subsidiary of the Company that was spun off to stockholders in June 2016, from October 2010 until May 2016.  From 2006 through 2008, Mr. Jonas was a partner in a 160‑unit garden apartment complex in Memphis, Tennessee. Between 2004 and 2005, Mr. Jonas owned and operated various businesses in the food industry, including BID Distribution, a distributor and marketer of frozen desserts to grocery stores and food service operations.


Marcelo Fischer
Chief Financial Officer

Age: 52

Marcelo Fischer has served as the Company’s Chief Financial Officer since June 3, 2019 and as Chief Financial Officer of IDT Telecom since June 2007.  Mr. Fischer served as Senior Vice President–Finance (the Company’s principal financial officer position) from October 31, 2011 to June 2019. Mr. Fischer also served as the Company’s Senior Vice President of Finance from March 2007 to June 2007. Mr. Fischer served as the Company’s Chief Financial Officer and Treasurer from June 2006 to March 2007, as the Company’s Controller from May 2001 until June 2006 and as Chief Accounting Officer from December 2001 until June 2006. Prior to joining the Company, Mr. Fischer was the Corporate Controller of Viatel, Inc. from 1999 until 2001. From 1998 through 1999, Mr. Fischer was the Controller of the Consumer International Division of Revlon, Inc. From 1991 through 1998, Mr. Fischer held various accounting and finance positions at Colgate-Palmolive Corporation. Mr. Fischer, a Certified Public Accountant, received a B.A. from the University of Maryland and an M.B.A. from the New York University Stern School of Business.


Bill Pereira
President and Chief Operating Officer

Age: 54

Bill Pereira has served as a member of the Company’s Board of Directors since October 31, 2011 and as President and Chief Operating Officer since January 1, 2018. Mr. Pereira served as the Chief Executive Officer and President of IDT Telecom from October 31, 2011 to December 31, 2017. Mr. Pereira served as Chief Financial Officer of the Company from January 2009 until October 2011, and served as the Treasurer from January 2009 to December 2010. Previously, he served as Executive Vice President of Finance for the Company from January 2008 to January 2009. Mr. Pereira initially joined the Company in December 2001 when the Company bought Horizon Global Trading, a financial software firm where he was a managing partner. In February 2002, Mr. Pereira joined Winstar Communications, a subsidiary of the Company, as a Senior Vice President of Finance. Mr. Pereira was promoted to CFO of Winstar Communications, a position he held until 2006 when he was named a Senior Vice President of the Company responsible for financial reporting, budgeting and planning. Prior to joining the Company, Mr. Pereira worked for a number of companies in the financial sector, including Prudential Financial, SBC Warburg and UBS. Mr. Pereira received a B.S. from Rutgers University and an M.B.A. from the New York University Stern School of Business.


Joyce J. Mason
Executive Vice President, General Counsel and Corporate Secretary

Age: 60

Joyce J. Mason has served as an Executive Vice President of the Company since December 1998 and as General Counsel and Corporate Secretary of the Company from its inception. Ms. Mason also served as a director of the Company from its inception until December 2006. In addition, Ms. Mason was a director of Zedge, Inc., a former subsidiary of the Company that was spun off to stockholders in June 2016, from September 2008 until May 2016, and she also served as a director of IDT Telecom from December 1999 until May 2001 and as a director of Net2Phone from October 2001 until October 2004. Ms. Mason has served as the Corporate Secretary of Rafael Holdings, Inc., a former subsidiary of the Company that was spun off to stockholders in March 2018, from its inception in July 2017. Prior to joining the Company, Ms. Mason had been in private legal practice. Ms. Mason received a B.A. from the City University of New York and a J.D. from New York Law School.


Menachem Ash
Executive Vice President of Strategy and Legal Affairs

Age: 47

Menachem Ash has served as the Company’s Executive Vice President of Strategy and Legal Affairs since October 2012. Mr. Ash served as the managing attorney of the Company’s legal department from June 2011 to October 2012. Mr. Ash has served as senior counsel to several IDT divisions since he joined the Company in July 2004, including IDT Telecom and IDT Carmel.  Mr. Ash has served as President of Rafael Holdings, Inc., a former subsidiary of the Company that was spun off to stockholders in March 2018, from its inception in July 2017.  Prior to joining the Company, Mr. Ash served as General Counsel to Telstar International, Inc., a telecommunications services provider. Mr. Ash also worked at KPMG as a senior associate in its tax group focusing on financial services and technology companies. He is a graduate of Brooklyn College and the Benjamin N. Cardozo School of Law.


Nadine Shea
Executive Vice President of Global Human Resources

Age: 48
Nadine Shea has served as the Company’s Executive Vice President of Global Human Resources since September 2019. Ms. Shea joined the Company in May 2000 as Associate General Counsel and held various senior counsel roles at the Company. Prior to joining the Company, Ms. Shea worked in private legal practice. Ms. Shea received a B. A. in Criminal Justice from the University of Maryland and a J.D. from New York Law School.

Mitch Silberman
Chief Accounting Officer and Controller

Age: 51

Mitch Silberman has served as the Company’s Chief Accounting Officer and Controller since June 2006. Mr. Silberman joined the Company in October 2002 as Director of Financial Reporting until his promotion to Assistant Controller in October 2003. Prior to joining the Company, Mr. Silberman was a senior manager at KPMG LLP, where he served in the firm’s Biotechnology and Pharmaceutical practice. Prior to KPMG, Mr. Silberman worked for Grant Thornton LLP, serving in the firm’s Telecommunications, Service and Technology practice. Mr. Silberman, a Certified Public Accountant, received a Bachelor of Science in Accounting from Brooklyn College.


David Wartell
Chief Technology Officer

Age: 41

David Wartell has been the Chief Technology Officer of the Company since March 2018 and the Executive Vice President – Technology of IDT Telecom since June 2017.  Mr. Wartell brings 20 years of operational experience in enterprise and cloud technology to the Company. Prior to joining the Company, he was Executive Vice President of Idera Inc., one of the largest private B2B software vendors in the world, with products evangelized by millions of community members, and more than 50,000 customers.  Previously he was founder and CEO of R1soft.com, a leading provider of cloud backup and disaster recovery software.  Earlier in his career, he ran operations for some of the largest cloud service providers in the world.  Mr. Wartell received a B.S. in Computer Engineering from Michigan State University.  


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