The appointments follow the recent addition of an artificial intelligence (AI) and robotics expert from State Street last month.
A UBS survey showed 87% of participants from banks with assets of $250 billion and above believe technology spending will increase annually over the next three years.
BNY Mellon has already made some progress in implementing robotics and machine learning to its asset servicing business.
Hedge fund administration has been cited as the perfect testing ground for new technologies, such as artificial intelligence and natural language processing.
The bank has already automated 40 processes through RPA for its securities services business, and is looking to deploy AI in a number of client-facing areas.
BNY Mellon will build a global digital team across the bank, with the aim to attract new talent and setting its strategic digital direction.
Having been dramatically oversold, custodians are becoming more rational in what robotic technologies can and cannot be used for.