Wertheim was born to an Orthodox Jewish family in Jerusalem. Wertheim was Attorney and holds a Master of Law degreeand was specializing in Accounting from Hebrew University, Jerusalem.
Wertheim started his career under Avraham Feinberg, founder of Central Bottling Co. He moved up through the ranks and used dividends to finance the acquisition the company in 2001.
In recent years he has handed over the reins to his children: David and Drorit.