Meet the Team
Get to know the storytellers who made SUNDAY BEST: THE UNTOLD STORY OF ED SULLIVAN possible.
Meet the Team
Margo Precht Speciale
Producer & Founder
Margo Precht Speciale is an Emmy® and Peabody Award-nominated filmmaker who bridges exhaustive historical research and deeply resonant cinematic storytelling. As the founder of the Maryland-based boutique firm MPS Legacy Productions, she specializes in high-level archival production and evidence-driven narratives. Her work is defined by a meticulous approach to history, crafting compelling documentaries that shape and influence the American media landscape.
Speciale's work has garnered significant acclaim for producing SUNDAY BEST: THE UNTOLD STORY OF ED SULLIVAN. Her deep expertise as an archival producer and researcher serves as the cornerstone of her career, with a portfolio spanning documentaries, television projects, and museum exhibitions. Her recent high-profile credits include the two-part HBO documentary BILLY JOEL: AND SO IT GOES and REINVENTING ELVIS: THE '68 COMEBACK. Bridging the gap between historical narrative and live broadcasting, she has also served as a producer for major television specials, such as THE 46TH ANNUAL KENNEDY CENTER HONORS.
Over the last decade, Speciale has built a reputation for unearthing rare materials to craft deeply resonant narratives. Through MPS Legacy Productions, she remains committed to work that honors historical truth, celebrates the human spirit, and sparks meaningful conversation.
Sacha Jenkins
Director (1971–2025)
Veteran music journalist, filmmaker and musician Sacha Jenkins was a foremost expert on hip-hop culture for three decades. Jenkins served as both a creative consultant and writer on Cartoon Network's THE BOONDOCKS, and as executive producer on VH1's THE WHITE RAPPER SHOW (2007). In 2012, Jenkins joined media company Mass Appeal as Chief Creative Officer. He served as executive producer on the Netflix series RAPTURE (2018), an eight-part docuseries on a broad range of artists from T.I. and Rhapsody to Nas and Dave East, and directed the latter episode. His first feature-length documentary, FRESH DRESSED, premiered at the 2015 Sundance Film Festival. Jenkins went on to direct BURN MOTHERFUCKER, BURN! (2017) and WORD IS BOND (2018), both premiering on Showtime. His latest directorial project, WU-TANG CLAN: OF MICS AND MEN — a four-part doc series — premiered at the 2019 Sundance Film Festival before airing on Showtime, and was nominated for a 2019 Primetime Emmy.
Rafael Marmor
Producer
Rafael Marmor is the founder of Delirio Films. His first feature documentary BLUE BLOOD was released theatrically by Warner UK before its broadcast premiere on The BBC. He produced NO PLACE ON EARTH, which premiered at the 2012 Toronto Film Festival, and THE SHORT GAME, which won the audience award at the 2013 SXSW Film Festival and became Netflix's first Original Documentary. He produced BECOMING BOND and TOO FUNNY TO FAIL as part of Hulu's first original documentary slate. Marmor's documentaries ASK DR RUTH and MIKE WALLACE IS HERE premiered at the 2019 Sundance Film Festival alongside his first scripted film, HONEY BOY, which earned director Alma Har'el a DGA Award. In partnership with LeBron James' SpringHill company, Marmor executive produced the Emmy-nominated Netflix doc-series THE PLAYBOOK. He produced CODED: THE HIDDEN LOVE OF J.C. LEYENDECKER, which won Best Documentary Short at the Tribeca Film Festival and was shortlisted for the 2022 Academy Awards. His most recent releases include THEY CALL ME MAGIC on Apple TV+, REGGIE on Amazon, and WILL & HARPER, which premiered at the 2024 Sundance Film Festival, was shortlisted at the Oscars, and won a Peabody Award in 2025.
Christopher Leggett
Producer
Christopher Leggett is a partner at Delirio Films. Leggett began his producing career at NBC/Universal Sports, covering three Olympic Games. He produced THE SHORT GAME, winner of the 2013 SXSW Audience Award and Netflix's first Original Documentary; TOO FUNNY TO FAIL; and the 2017 SXSW Audience Award winner BECOMING BOND. His documentaries ASK DR RUTH and MIKE WALLACE IS HERE premiered at the 2019 Sundance Film Festival alongside HONEY BOY, which was nominated for four Spirit Awards and earned director Alma Har'el a DGA Award. Leggett executive produced the Emmy-nominated Netflix doc-series THE PLAYBOOK and produced CODED: THE HIDDEN LOVE OF J.C. LEYENDECKER, winner of Best Documentary Short at the Tribeca Film Festival and shortlisted for the 2022 Academy Awards. His most recent credits include THEY CALL ME MAGIC on Apple TV+, REGGIE on Amazon, WILL & HARPER — which premiered at the 2024 Sundance Film Festival, was shortlisted at the Oscars, and won a Peabody Award in 2025 — and LADY IN THE LAKE, a limited series for Apple TV+ starring Natalie Portman and Emmy Award nominee Moses Ingram.
Mark Monroe
Producer
Diamond Docs co-founder Mark Monroe is a two-time Emmy winner, three-time WGA Award winner, and BAFTA nominee whose credits include ICARUS and THE COVE, both winners of the Academy Award for Best Documentary. Other notable credits include Emmy winner JIM HENSON IDEA MAN with Ron Howard, Grammy winner THE BEATLES: EIGHT DAYS A WEEK with Ron Howard, Peabody nominee LUCY AND DESI with Amy Poehler, THE BEE GEES: HOW CAN YOU MEND A BROKEN HEART with Frank Marshall, BECOMING COUSTEAU with Liz Garbus, BEFORE THE FLOOD with Leonardo DiCaprio, THE DISSIDENT with Bryan Fogel, WATCH THE SOUND with Mark Ronson & Morgan Neville, and TALES FROM THE TOUR BUS with Mike Judge. He recently directed the Emmy-nominated CHARLIE HUSTLE & THE MATTER OF PETE ROSE for HBO Max, as well as TITAN: THE OCEANGATE DISASTER for Netflix.