WEATHERHUNTERS ON PBS
PREMIERE: jULY 7, 2025
John is an Executive Producer and the Head Writer for this new animated science series for kids ages 5-8 from Al Roker Entertainment (ARE), the production company led by beloved Emmy-winning TODAY weatherman and host, Al Roker! The series is designed to support kids’ understanding of weather through adventure and comedy as it follows eight-year-old Lily Hunter, a weather detective who shares her investigations with her family — including dad Al Hunter, voiced by Roker. More details here!
COMIC-CON
JULY 20 - 23, 2023
SAN DIEGO CONVENTION CENTER
SAN DIEGO, CA
John is a special guest this year! He will also be a presenter at the Will Eisner Awards. Schedule:
Friday, July 21, 10:00 am - 11:00 am
A Look Back at Animated Series from the '80s
Craig Miller, Tom Ruegger, John Semper, Karen Willson, Marc Scott. Room 3
Spotlight on John Semper
Friday, 7/21/23
12:00—1:00
Room 4
6:30-7:30 Spider-Man: Untangling the Spider-Verse
Danny Fingeroth, John Semper Jr., Colt Blunt, Elizabeth Han, Brittani Oliver Sillas Navarro, Travis Langley
Room 24ABC
COMIC-CON
JULY 21 - 24, 2022
SAN DIEGO CONVENTION CENTER
SAN DIEGO, CA
John will be making several appearances on panels.
SAN DIEGO COMIC FEST
MARCH 5 - 8, 2020
FOUR POINTS BY SHERATON
SAN DIEGO, CA
The San Diego Comic Fest is the friendly comic convention with a casual atmosphere and an intimate scale that allows fans to mingle directly with professionals and exhibitors. It’s the place where you can indulge your love of comics, science fiction, and films, and meet an outstanding array of professional creators without high-priced tickets, crowding, or long lines.
SPIDER-MAN: TAS 25TH ANNIVERSARY CELEBRATION
WRITERS PANEL WITH Q&A
NOVEMBER 16, 2019
2 PM - 5 PM
SHARP FOCUS CREATIVE ACADEMY
BURBANK, CA
John welcomes a panel of former staff writers: Mark Hoffmeier, Stan Berkowitz, Jim Krieg, and Ernie Altbacker. They’ll discuss the creation of the hit series, its impact on Saturday morning animated television, and its long-lasting impact on Marvel Comics and the current Marvel Cinematic Universe. Find out everything you’ve ever wanted to know about the making of SPIDER-MAN: THE ANIMATED SERIES! Free, but limited space, so RSVP required.