Dax Tejera, the executive producer of ABC’s “This Week with George Stephanopoulos” died suddenly Friday at the age of 37. ABC News President Kim Goodwin announced “with a heavy heart and great sadness” that Tejera died of a heart attack on Friday night, according to a memo she sent to company staff obtained by Mediaite. He is survived by his wife Veronica and their two young daughters. Goodwin said in the memo she would be sharing more information in the coming days.