Halsted Sullivan is an American television writer and producer who has worked on shows such as "Carpoolers" and "The Office".
 He often works with his writing partner Warren Lieberstein.
"Koi Pond" is the 8th episode of the sixth season of the U.S. comedy series "The Office" and the show's 108th episode overall.
 It was written by Warren Lieberstein and Halsted Sullivan and directed by Reggie Hudlin.
 It originally aired on NBC on October 29, 2009.
Warren Keith Lieberstein (born September 20, 1968) is an American writer and producer.
 He has worked on shows such as "Carpoolers" and "The Office", to which he has extensive ties.
 He is the younger brother of the show's former showrunner/actor Paul Lieberstein and brother-in-law of its developer and original producer Greg Daniels.
 He and Angela Kinsey (who plays Angela) were married for eight years and have a daughter who was born in 2008.
 The pair have remained on good terms since their divorce.
 Lieberstein married fellow television writer Audrey Wauchope in 2016 and they have two daughters together, born in 2014 and 2017
Angela Faye Kinsey (born June 25, 1971) is an American actress known for her role as the uptight, religious, cat-loving accountant Angela Martin in the NBC television series "The Office".
 Since April 2015, Kinsey has had a recurring role on the TBS comedy "Your Family or Mine".
 Since 2016, Kinsey has appeared as Bethany in the Netflix Original Series "Haters Back Off".
"Beach Games" is the twenty-third episode of the third season of the US version of "The Office", and the 51st of the series.
 In this episode, the office goes to a nearby lake for some "beach games".
 It is revealed that Michael (Steve Carell) is being interviewed for a position at Corporate and that the winner of the beach games will become regional manager.
 Meanwhile, Dwight (Rainn Wilson) and Angela (Angela Kinsey) sabotage Andy (Ed Helms), and Pam (Jenna Fischer) spends her day taking notes of the office workers' activities.
"After Hours" is the sixteenth episode of the eighth season of the American comedy television series "The Office" and the show's 168th episode overall.
 The episode aired on NBC in the United States on February 23, 2012.
 "After Hours" was written by co-executive producers Halsted Sullivan and Warren Lieberstein and directed by Brian Baumgartner, who portrays Kevin Malone on the series, marking his directorial debut.
Angela Noelle Schrute (née Martin; formerly Lipton) is a fictional character from the US television series "The Office" played by American actress Angela Kinsey.
 She is an original character, and has no equivalent in the original British show, "The Office".
"China" is the tenth episode of the seventh season of the American comedy television series "The Office" and the show's 136th episode overall.
 It originally aired on NBC on December 2, 2010.
 The episode was written by Halsted Sullivan and Warren Lieberstein, and directed by Charles McDougall.
 The episode guest stars Mark Proksch as Nate and Hugh Dane as Hank.
"Search Committee" is the hour-long finale of the seventh season of the American television comedy series "The Office".
 It comprises the 151st and 152nd episodes of the series overall and the 25th and 26th episodes of the seventh season.
 It originally aired on NBC on May 19, 2011 in the United States.
 In the episode, Deangelo's new replacement is sought out through a search committee process led by Jim (John Krasinski).
 Meanwhile, Angela (Angela Kinsey) becomes engaged to her state senator boyfriend, Robert (Jack Coleman), while the rest of the office believes he is gay.
"Turf War" is the twenty-third episode of the eighth season of the American comedy television series "The Office", and the show's 175th episode overall.
 The episode originally aired on NBC on May 3, 2012.
 "Turf War" was written by Warren Lieberstein and Halsted Sullivan, and was directed by Daniel Chun.
 The episode guest stars Chris Bauer, Andy Buckley, and Dan Castellaneta.

Question: Who is older, Warren Lieberstein or Angela Kinsey?
Answer: Warren Keith Lieberstein