The phrase "afterward he will" is correct and usable in written English.
It can be used to indicate that something will happen after a certain point in time or event involving "he."
Example: "Afterward he will join us for dinner once he finishes his meeting."
Alternatives: "later he will" or "subsequently he will".
But afterward, he will get an extra day of rest like the rest of the staff.
Afterward, he will meet with Ariel Sharon, the Israeli prime minister.
He will be at the Cairo Arab summit, but afterward he will be flying to Washington.
Afterward, he will sign copies of his new book, which will be on sale in the society's bookstore.
Afterward, he will return home to turn his airport reporting into a short book, "A Week at the Airport: A Heathrow Diary," to be published by the British publisher Profile Books in September.
The evening will begin with local dinner parties at 5 30 p.m., followed by a live auction and Mr. Marceau's performance at 8 p.m. Afterward, he will mingle with the audience at a dessert and Champagne reception.
And then, right afterward, he'll give a five-minute rebuttal".
After "Ivy + Bean," he plans to do his usual holiday gig in a Christmas caroling company, and afterward he'll hit the road with his ABBA tribute band.
Before returning to work, Owolabi will have to take a lesson on doctor-patient boundaries (apparently it's not obvious that asking a patient about dick-size preferences is frowned upon), and for two years afterward he'll be supervised while seeing female patients.
"Coming in, Sam didn't know who Roy was," Nathan Kahane said afterward, "but he will.
He said afterward that he will have his ankle, which he injured last year, examined when he returns to New York, but only as part of a routine follow-up.
