BALTIMORE — Mayor Michael Bloomberg of New York has pledged $350 million to Johns Hopkins University, mainly to expand its interdisciplinary research on an array of issues including global health and urban revitalization, as his lifetime giving to his alma mater eclipses $1 billion.
The university announced the commitment late Saturday saying it believes Bloomberg, who amassed his fortune creating the global financial services firm Bloomberg LP, is now the first person to give more than $1 billion to a single American university.
The $350 million commitment is the largest ever to the Baltimore-based university, Johns Hopkins said in a statement.
Most of the latest gift, $250 million, will be part of a larger effort to raise $1 billion to foster cross-disciplinary work at Johns Hopkins, the statement said. Funds initially will be used toward appointment of faculty for interdisciplinary work on an array of issues that also will include individualized health care delivery, sustainability of water resources, and the science of learning.
The remaining $100 million is to be devoted to need-based financial aid for undergraduate students, awarding 2,600 Bloomberg scholarships in the next 10 years, it said.
It added that the latest gift brings Bloomberg’s giving to the institution just more than $1.11 billion in the 49 years since he graduated — including his first gift of $5 in 1965 only a year after he received his bachelor’s degree in engineering from Johns Hopkins.
‘‘Johns Hopkins University has been an important part of my life since I first set foot on campus more than five decades ago,’’ Bloomberg said in the statement issued by the university.