Mellon is a global leader in index management and one of the world’s largest institutional index managers by assets under management. Since 1983, Mellon’s dedication to precision and client partnership has gone beyond the benchmark. Our storied history of innovation can be tracked back to the 1970s to founders William Fouse and Thomas Loeb, who are widely recognized as pioneering developers and champions of indexing. Armed with perspective earned from 40 years of experience, Mellon manages money for many of the world’s most sophisticated clients, proving that index investing requires an active mindset.