The phrase "and subsequently decide to" is correct and usable in written English.
It can be used when describing a sequence of actions where a decision follows an earlier event or consideration.
Example: "After reviewing the options, the committee will discuss the proposals and subsequently decide to move forward with the best one."
Alternatives: "and then choose to" or "and later opt to".
They set up a simple page to enable their wedding guests to fund their dream honeymoon to Fiji — and subsequently decided to turn the idea into a company.
And briefings on some significant strategy shifts — such as Jolla gunning hard to build a BRICs OS licensing business for Sailfish and subsequently deciding to split the company into two, putting its initial effort into the OS basket — came from its board chairman, Antti Saarnio, rather than Dillon.
As a result, the institution has not followed the footsteps of the majority of the federal universities, which quickly institutionalized research and subsequently decided to set up business incubators and technology parks, thereby adopting a process of transformation leading in the direction of commercial entrepreneurship.
I was struck by Philipa's determination and tenacity during her battle against cancer, and subsequently decided to look for other women in Africa who lived life with the same pride.
Wednesday 13 explained that he had been in a motor vehicle accident in September 2007 and fractured his clavicle, and subsequently decided to expand the band from four to five members.
They added neon lighting to the city to amplify the "beautiful reflective streets", and subsequently decided to make neon a source of power for Delsin because of its prevalence.
Other elements borrowed from Battlefront II included the controls LucasArts solicited feedback from players of the previous game and subsequently decided to make Renegade Squadron's controls more "arcadey" so players could learn them faster.
Michael and Dwight Schrute Rainn Wilsonn) subsequently decide to go to New York, locate Ryan, attend parties with him, and try to meet women while doing so.
