Question: Of what descent is David Paich's current record producer?

Context articles: Heaven Help the Fool
Stephen Budd
Eric Kupper
Toto (band)
Greg Ladanyi
Rosanna (song)
Raimund Marasigan
Marty Paich
Mother Lode (album)
David Schuler

Heaven Help The Fool was the second solo album by Grateful Dead rhythm guitarist Bob Weir, released in 1978.
 It was recorded during time off from touring, in the summer of 1977, while Grateful Dead drummer Mickey Hart recovered from injuries sustained in a vehicular accident.
 Weir returned to the studio with Keith Olsen, having recorded "Terrapin Station" with the producer earlier in the year.
 Several well-known studio musicians were hired for the project, including widely used session player Waddy Wachtel and Toto members David Paich and Mike Porcaro.
Stephen Budd is a British music industry executive based in London.
 He is a director of artist and producer management company Stephen Budd Music Ltd, the OneFest Festival, the Africa Express project and is the co-founder of the NH7 Weekender festivals in India.
 In June 2017 he completed his 3 year term as co-chairman of the MMF (Music Managers Forum) .
 He is co-executive producer of Amnesty International and Sofar Sounds' ‘Give A Home’, global concert series .
 He manages artists including Dry The River and Alluri.
 His current record producer roster includes Rick Nowels, Tore Johansson, Valgeir Sigurdsson, Nick Zinner and Mike Hedges.
Eric Kupper is an American keyboardist, arranger, songwriter, remix artist, DJ and record producer of French descent.
 Playing in bands in his formative years, he got his real start in the mid-1980s working as a keyboardist, guitarist, and songwriter for such producer/remixers as David Morales, Frankie Knuckles, Arthur Baker, Mark Kamins, Justin Strauss, Peter Rauhofer, and Richie Jones.
 Since 1986 he has played on, remixed, and/or produced over 2000 records for artists spanning all contemporary musical genres.
 His work in the mid-to-late 1980s/early 1990s, especially his work with Def Mix Productions, is considered to be part of the foundation for house music as it exists today.
 He released an album under his own name, "From the Deep", in 1995.
Toto is an American rock band formed in 1977 in Los Angeles.
 The band's current lineup consists of Joseph Williams (lead vocals), David Paich (keyboards, vocals), Steve Porcaro (keyboards), Steve Lukather (guitars, vocals), plus touring members Lenny Castro (percussion), Warren Ham (saxophone), Shem von Schroeck (bass) and Shannon Forrest (drums).
 Toto is known for a musical style that combines elements of pop, rock, soul, funk, progressive rock, hard rock, R&B, blues, and jazz.
Greg Ladanyi (July 6, 1952 – September 29, 2009) was an American record producer and recording engineer of Hungarian descent, known for his work with many musicians, including Jackson Browne, Warren Zevon, Type O Negative, The Church, Caifanes, Anna Vissi, Toto, Fleetwood Mac, Hollywood Undead, Don Henley and Jeff Healey.
"Rosanna" is a song written by David Paich and performed by the American rock band Toto, the opening track and the first single from their 1982 album "Toto IV".
 This song won the Record of the Year Grammy Award in the 1983 presentations.
 "Rosanna" was also nominated for the Song of the Year award.
Raimund Emmanuel Parcon Marasigan, (born May 22, 1971) or simply known as Raimund Marasigan, is a Rock musician and record producer in the Philippines.
 Often, his first name is misspelled as "Raymond", "Raymund", "Raimond" and other variants.
 The breadth of his projects has made him one of the most well-respected mainstays of the Philippine rock band scene.
 He was the drummer, vocalist and lyricist alongside bandmate Ely Buendia of The Eraserheads, and the current keyboard/synths player for Pedicab, former rhythm guitarist and now frontman of Sandwich, current drummer of Cambio, vocalist of Project 1 and the man behind Squid 9.
 Currently, he holds bass for his newest band, Gaijin.
 Aside from writing songs and being a musician, he is also a record producer, voice actor, TV host and product endorser.
Martin Louis Paich (January 23, 1925 – August 12, 1995) was an American pianist, composer, arranger, record producer, music director, and conductor.
 He came to prominence on the West Coast Jazz scene of the 1950s as both a pianist and a composer.
 Paich gradually stepped away from performing as a musician to work as a producer, composer and arranger.
Mother Lode is the fourth studio album (fifth release overall) by singer/songwriter duo Loggins and Messina, released in late 1974.
 It was their final album with their original backing band, because multireedist and violinist Al Garth would soon leave the band, but multireedist Jon Clarke, bassist Larry Sims and drummer Merel Bregante remained, and saxophonist Don Roberts made his debut on this record.
 Future Toto keyboardist David Paich plays keyboards on this album while percussionist Milt Holland is augmented by Victor Feldman and the album was recorded on location at Jim Messina's California ranch.
 The Jim Messina composition "Keep Me in Mind" was sung by bassist Sims, whom Messina praised for having a phenomenal voice in a 2009 interview with Loggins for KCTS-TV.
David Schuler (born David James Schuler, August 1, 1982) is an American, two-time Grammy Award nominated, multi-platinum worldwide selling Record Producer, Songwriter, Film Composer and Filmmaker from Rochester, NY.
 Currently residing between New York, NY and Los Angeles, CA, Schuler has earned notable success as a record producer, songwriter, mixing engineer and remixer throughout the music business.
 He has produced records and written songs with artists such as P!nk, John Legend, Daughtry, Backstreet Boys, The Saturdays, Scott Stapp, Ricki-Lee Coulter, Esmee Denters, Lauren Bennett, Teddy Geiger, Shy Carter, Aimee Proal, and others.