[8][9] Joining him were writers who had worked with him on Robotech, most notably, Steve Kramer, Tom Wyner, Gregory Snegoff, and Ardwight Chamberlain, each of whom are also experienced voice actors.

[10] Among the titles released by Streamline are Lensman, Robot Carnival, Doomed Megalopolis, Twilight of the Cockroaches, Crying Freeman, Wicked City, the Fist of the North Star film, Akira, Lupin III: Mystery of Mamo as well as the original English dub versions of Hayao Miyazaki's Lupin III: Castle of Cagliostro, Laputa: Castle in the Sky, My Neighbor Totoro, and Kiki's Delivery Service.

Before his death, Macek was working as a scriptwriter for the English dub of Naruto and Bleach for Viz Media, and consulting for Harmony Gold on Robotech: The Shadow Chronicles.

[12] Macek adapted the treatment by Merian C. Cooper (the producer of King Kong) for the unproduced film project War Eagles into a novel and screenplay in 2008.

[9][16] Barely three months before his sudden death, Macek recorded a lengthy two-and-a-half-hour podcast interview with Anime News Network, offering an extensive retrospective on his entire career.