Date of Birth: 
About Donald R. McLennan
- Donald Roderick McLennan (October 27, 1873 – October 14, 1944) was born in Duluth, Minnesota, son of William Lillingston McLennan and Julia MacLeod.
- He was the co-founder of the insurance brokerage firm Burroughs, Marsh & McLennan in 1905, which was renamed Marsh & McLennan in 1906 after the retirement of Mr.
- D.
- W.
- Burroughs.
- McLennan served as the Chairman of the Board from 1935 until his death in 1944 in Lake Forest, Illinois.
- At the time of his death, the firm had offices in Chicago, San Francisco, New York City, and twenty other cities.
- In 2016, Marsh & McLennan Companies had over 60,000 employees and annual revenues of $13.23 billion.
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