Stewart & Co., Ltd. was a New York Stock Exchange–listed global investment advisory business which Mr. Rosenthal helped take public in 2000.
Rosenthal currently serves as lead director of Global Industrial (formerly Systemax), a New York Stock Exchange company.
[5] He was part of a group which had a minority ownership in the franchise [6][7] and served as a member of the National Hockey League's Board of Governors during this time.
Rosenthal and Palleschi began managing the family's wealth after the business was sold and then realized that the strategies they used could be beneficial for others.
In May 2014, Rosenthal was recognized by the United Hospital Fund with their Distinguished Trustee Award for his service at Northwell Health.
[14] On May 2, 2019, Hofstra University held its 23rd Annual Gala and honored Robert D. Rosenthal for his years of dedication and service to the UniversityThe event raised a record-breaking 2.6 million dollars for scholarship.
[18] In October 2017, Berning Rose, a 2-year-old filly that Bob owns with Bradford Bernstein won the Maid of the Mist which is a New York-bred stakes race held at Belmont Park.
[19] In recent years, Rosenthal has become more active in the Republican Party hosting events for Mitt Romney in 2012[20] and for the former Secretary of State, Condoleezza Rice and Senators Orrin Hatch and Bob Corker in 2014.