Since the 1980s, Frenkel has been the owner of the Loyd's Group, a holding company that has invested in real estate[1][2] and the aerospace industry.

[3] Frenkel established the Loyd's Group as a representative of The Boeing Company, Airbus SE, Gulfstream Aerospace, Agusta, Embraer and others in the Central & Eastern European market.

[5] Frenkel, with Mubadala Investment Company from Abu Dhabi, acquired 22% stake of the Tamar gas field in the Mediterranean Sea.

[10] Frenkel serves as chairman of the International Board of Trustees of Yad Sarah,[11] the largest health and volunteer organization in Israel.

[17][18] Limmud FSU engages young Russian-Jewish adults and empowers them to take ownership of their identity and connect with their communities through pluralistic, egalitarian volunteer-driven conferences of Jewish learning, culture and tradition.