Question: Who has spent more time working for Lucasfilm, Ltd., Mark Geragos or Howard Kazanjian?

Context paragraphs:
Bruce Dinwiddy: Bruce Harry Dinwiddy, CMG (born 1 February 1946 in Epsom, England) was the governor of the Cayman Islands from May 2002 to October 2005.  He has been working for the Foreign and Commonwealth Office (FCO) since 1973.  Before becoming a colonial administrator, he was posted to many countries around the world, and also spent time working in England.  The following is a list of jobs he has had with the FCO in the past 30 years:

Mark Geragos: Mark John Geragos (born October 5, 1957) is an Armenian-American criminal defense lawyer.  Clients that he has represented include Michael Jackson, actress Winona Ryder, politician Gary Condit, Susan McDougal, and Scott Peterson.  He was also involved in the Whitewater controversy.  Geragos represented suspended NASCAR driver Jeremy Mayfield; Paul and Kulbir Dhaliwal, two brothers injured after a tiger escaped in San Francisco Zoo; and musician Chris Brown, who pleaded guilty in the assault of his then girlfriend Rihanna.  In addition, he assisted the family of David Carradine in the aftermath of his accidental auto-erotic death.  He is considered a "celebrity lawyer".

Brian Daly: Brian Daly is an Irish news journalist currently working for TV3 News.  He spent time working as Ireland Correspondent for Sky News in Dublin.  He was one of the Sky News Ireland's two anchors for its twice-weeknightly programmes alongside colleague Ray Kennedy, following the departure of previous Sky News Ireland anchor Gráinne Seoige.

Return of the Jedi: Return of the Jedi (also known as Star Wars: Episode VI – Return of the Jedi) is a 1983 American epic space opera film directed by Richard Marquand.  The screenplay by Lawrence Kasdan and George Lucas was from a story by Lucas, who was also the executive producer.  It was the third installment in the original "Star Wars" trilogy and the first film to use THX technology.  The film is set one year after "The Empire Strikes Back" and was produced by Howard Kazanjian for Lucasfilm Ltd.  The film stars Mark Hamill, Harrison Ford, Carrie Fisher, Billy Dee Williams, Anthony Daniels, David Prowse, Kenny Baker, Peter Mayhew and Frank Oz.

Howard Kazanjian: Howard G. Kazanjian (born July 26, 1942) is an American film producer known for "Raiders of the Lost Ark" and "Return of the Jedi".  Kazanjian is also a former 8-year Vice President of Lucasfilm, Ltd., and a published non-fiction author.

Marco Botti: Marco Botti (born 23 December 1976) is an Italian racehorse trainer who is based in Great Britain, working from his stable "Prestige Place" in Newmarket, Suffolk.  Botti is the son of Alduino Botti, a champion racehorse trainer in Italy, and worked for trainers Luca Cumani, Ed Dunlop and the Godolphin Racing organization before becoming a trainer in his own right.  He also spent some time working in the United States with Bill Mott.  Botti's first winner as a trainer came in 2006 and he has become established a successful trainer since then, gaining Group One victories in France, Canada and the United States.

Raiders of the Lost Ark: Raiders of the Lost Ark (also known as Indiana Jones and the Raiders of the Lost Ark) is a 1981 American action adventure film directed by Steven Spielberg, with a screenplay written by Lawrence Kasdan, from a story by George Lucas and Philip Kaufman.  It was produced by Frank Marshall for Lucasfilm Ltd., with Lucas and Howard Kazanjian as executive producers.  Starring Harrison Ford, it was the first installment in the "Indiana Jones" film franchise to be released, though it is the second in internal chronological order.  It pits Indiana Jones (Ford) against a group of Nazis who are searching for the Ark of the Covenant, which Adolf Hitler believes will make his army invincible.  The film co-stars Karen Allen as Indiana's former lover, Marion Ravenwood; Paul Freeman as Indiana's rival, French archaeologist René Belloq; John Rhys-Davies as Indiana's sidekick, Sallah; Ronald Lacey as Gestapo agent Arnold Toht; and Denholm Elliott as Indiana's colleague, Marcus Brody.

Saeroen: Saeroen (Perfected Spelling: Saerun; fl.  1920s–1962) was an Indonesian journalist and screenwriter.  Born in Yogyakarta, he became a journalist after a time working at a railway station.  By the mid-1930s he had established the daily "Pemandangan" with Raden Hajji Djunaedi and was writing editorials with the pen name Kampret.  When the paper was dissolved, Saeroen drifted into the film industry as a writer, making his debut with Albert Balink's "Terang Boelan" (1937).  Much of his later life was spent working with several minor publications.

Vitalij Kowaljow: Vitalij Kowaljow (Ukrainian: Віталій Ковальов, born 1968 in Cherkasy) is a Swiss-Ukrainian bass opera singer.  He initially studied piano as a child, but inspired by his parents, who sang in the choir of his Baptist church in Cherkasy, Ukraine, he took advantage of an offer to study choral conducting for the church.  While studying at the Moscow Theological Institute, it was suggested that he take up singing.  Working as a fireman at the time, a back injury caused him to cease that job, and he spent more time working with the choir.  During a concert where the bass soloists were ill, Kowaljow stepped in, and a Swiss woman present at the concert was impressed by his voice, and arranged for him to audition for the Bern Opera in Switzerland.  He went on to study at the Bern Conservatory of Music with , and obtained a Master's degree.

Chris Enss: Chris Enss (born 1961) is an American author and screenwriter.  Enss has written more than 20 books on the subject of women in the Old West, and has collaborated with producer Howard Kazanjian on four books, including two about Roy Rogers and Dale Evans.

Supporting paragraphs: Mark Geragos Howard Kazanjian
Answer: Howard G. Kazanjian