Question: Who is older, Jeon Ji-yoon or Doug Pinnick?

Context articles: Grinder Blues (band)
KXM (album)
Songs from the Closet
Doug Pinnick
H-Logic
4Minute
Scatterbrain (KXM album)
Kwon So-hyun
Vertical After
Jeon Ji-yoon

Grinder Blues is a hard rock blues trio that features Doug Pinnick of King's X, guitarist and vocalist Jabo Bihlman and Scot "Little" Bihlman on drums, percussion and vocals.
KXM is the self-titled debut album of the band KXM, a rock band formed in 2013 featuring former King's X bassist and vocalist Doug Pinnick, former Dokken and Lynch Mob guitarist George Lynch and Korn drummer Ray Luzier.
 The Japanese version of the album includes an exclusive bonus track, "Big Rocks."
Songs from the Closet is a compilation album of early demo recordings by King's X bassist / vocalist Doug Pinnick.
 It contains two previously unreleased songs and an audio commentary track by Pinnick.
Douglas Theodore "Doug" Pinnick (born September 3, 1950), sometimes stylized as dUg Pinnick or simply dUg, is an American musician best known as the bass guitarist, songwriter, and co-lead vocalist for the hard rock/progressive metal band King's X.
 He has performed on fifteen albums with King's X, and recorded four solo albums.
 Pinnick has also participated in numerous side projects, and has multiple guest appearances to his credit.
 He is recognized for his unique vocals (which are characterized by a strong gospel influence), and heavily distorted bass tone (the product of multiple Ampeg, and Traynor bass amplifiers).
H-Logic is the fourth studio album by South Korean singer Lee Hyori, released on April 12, 2010.
 The album has 14 tracks, including collaborations with Daesung from Big Bang, Jeon Ji-yoon from 4Minute, Bekah from After School, Gary from Leessang, and Sangchu from Mighty Mouth.
 The singer worked also with E-Tribe, the team behind "U-Go-Girl", the lead single from her previous album.
4Minute (Korean: 포미닛 ) was a five-member South Korean girl group formed in 2009 by Cube Entertainment with music singles and albums released primarily in South Korea and Japan.
 The members of the group were Nam Ji-hyun, Heo Ga-yoon, Jeon Ji-yoon, Kim Hyun-a, and Kwon So-hyun.
 The group debuted in June 2009 with its first single, "Hot Issue", and in December 2010, it released its first Japanese album, "Diamond".
 In 2011, the group released its first Korean full-length album, "4Minutes Left".
Scatterbrain, released on March 17, 2017, is the second studio album by band KXM, a rock band formed in 2013 featuring King's X bassist and vocalist Doug Pinnick, former Dokken and Lynch Mob guitarist George Lynch and Korn drummer Ray Luzier.
Kwon So-hyun (born August 30, 1994), is a South Korean singer and actress.
 She was known as a member of the South Korean girl group 4Minute, under Cube Entertainment.
 She is also a former member of the South Korean girl group, Orange.
 Before June 15, 2016 (end of her contract with Cube), Sohyun left 4Minute and the record label along with members Nam Ji-hyun, Heo Ga-yoon, and Jeon Ji-yoon.
Vertical After was a thrash metal/pop punk band based in Canada and the United States.
 The band was noted for their elaborate rock videos, which aired on Canada's Much Music nationwide music station.
 The band recorded four CD albums and spent much of the period from 1989 to 2003 performing in clubs in the United States, Canada, and Europe.
 Vertical After toured around North America promoting their videos and albums including 1999's "Pop Goes Death", mixed by Doug Pinnick of King's X, and 2002's "Bloody Murdo", co-produced by Stuart Carruthers of Grip Inc.
 Some of their famous support-openings included Twisted Sister in New York, Iron Maiden's lead vocalist Bruce Dickinson in Los Angeles, Ice T's Body Count and other acts including King's X around the country.
Jeon Ji-yoon (born October 15, 1990), better known mononymously as Jiyoon or by her stage name Jenyer, is a South Korean rapper, singer-songwriter and actress.
 She was previously a member of South Korean girl group 4Minute and its sub-group 2Yoon.
 She debuted as a solo artist on November 2, 2016, under the stage name Jenyer, with the release of her debut digital single, "I Do".