Complex sentence: While attending Harvard Business School, Gary Millin teamed with investment banker Gerald Gorman to form Mail.com, a web-based mail hosting service which soon grew to be worth over $1 billion, with 20 million subscribers and 1,400 employees.
Split into simpler sentences: While attending Harvard Business School, Gary Millin teamed with investment banker Gerald Gorman to form Mail.com, a web-based mail hosting service. Mail.com soon grew to be worth over $1 billion, with 20 million subscribers and 1,400 employees.