Utilize the input text as a context reference, choose the right relationship between Ally Financial and Ally Bank from the options. Options: product/material produced, manufacturer, distributed by, industry, position held, original broadcaster, owned by, founded by, distribution format, headquarters location, stock exchange, currency, parent organization, chief executive officer, director/manager, owner of, operator, member of, employer, chairperson, platform, subsidiary, legal form, publisher, developer, brand, business division, location of formation, creator.

Ally Corporate Finance, a unit of the Ally Bank subsidiary of Ally Financial Inc. that provides senior secured commercial-lending products to primarily U.S.-based, middle-market companies, today announced the formation of a team focused exclusively on fueling its expansion into the venture-backed technology sector.

Answer: subsidiary