Lee Sung Jin

1981 (44) • Writing

Born: 10/2/1981 (44) in Seoul, South Korea

Known for: Writing

Lee Sung Jin

Lee Sung Jin (Korean: 이성진; born October 2, 1981), also known as Sonny Lee, is an American screenwriter and director. He is best known for creating the Netflix series Beef, for which he received the 2023 Primetime Emmy Awards for directing and writing for a limited series.

Known For

Silicon Valley

81%

Supervising Producer

2014

2 Broke Girls

72%

Writer

2011

It's Always Sunny in Philadelphia

83%

Executive Story Editor, Staff Writer, Writer

2005

BEEF

78%

Creator

2023

Undone

77%

Co-Executive Producer

2019

DAVE

73%

Co-Executive Producer

2020

Girlboss

65%

Co-Executive Producer

2017

Tuca & Bertie

69%

Co-Executive Producer

2019

Untitled X-Men Film

Writer

2028

Lurker

65%

Executive Producer

2025

BEEF

78%

Creator

2023

BEEF

78%

Executive Producer

2023

BEEF

78%

Director

2023

BEEF

78%

Writer

2023

DAVE

73%

Co-Executive Producer

2020

DAVE

73%

Writer

2020

Undone

77%

Co-Executive Producer

2019

Tuca & Bertie

69%

Co-Executive Producer

2019

Tuca & Bertie

69%

Writer

2019

Girlboss

65%

Co-Executive Producer

2017

Girlboss

65%

Writer

2017

The Real O'Neals

72%

Co-Executive Producer

2016

The Real O'Neals

72%

Writer

2016

Silicon Valley

81%

Supervising Producer

2014

Silicon Valley

81%

Writer

2014

2 Broke Girls

72%

Writer

2011

Outsourced

68%

Producer

2010

Outsourced

68%

Writer

2010

Mothman

38%

Writer

2010

A Very Sunny Christmas

79%

Editor

2009

The Nightman Cometh: Live

94%

Thanks

2009

Rob & Big

69%

Creative Consultant

2006

Rob & Big

69%

Writer

2006

It's Always Sunny in Philadelphia

83%

Executive Story Editor, Staff Writer, Writer

2005