Karl Martin Sandberg, professionally known as Max Martin is a Swedish songwriter and record producer. Martin has written and co-written 22 Billboard Hot 100 number-one hits (most of which he has also produced or co-produced) in the United States, including Katy Perry's "I Kissed a Girl" (2008), Pink's "So What" (2008), Britney Spears's "Hold It Against Me" (2011), Maroon 5's "One More Night" (2012), Taylor Swift's "We Are Never Ever Getting Back Together" (2012), "Shake It Off" (2014), "Blank Space" (2014), "Bad Blood" (2015), The Weeknd's "Can't Feel My Face" and Justin Timberlake's "Can't Stop The Feeling!". Martin is the songwriter with the third-most number one singles on the chart, behind only Paul McCartney (32) and John Lennon (26)
Number One Singles (22):
"...Baby One More Time" - Britney Spears
"It's Gonna Be Me" - 'N Sync
"I Kissed a Girl" - Katy Perry
"So What" - Pink
"My Life Would Suck Without You" - Kelly Clarkson
"3" - Britney Spears
"Raise Your Glass" - Pink
"California Gurls" - Katy Perry Feat. Snoop Dogg
"Teenage Dream" - Katy Perry
"Hold It Against Me" - Britney Spears
"E.T." - Katy Perry Feat. Kanye West
"Last Friday Night (T.G.I.F.)" - Katy Perry
"Part Of Me" - Katy Perry
"We Are Never Ever Getting Back Together" - Taylor Swift
"One More Night" - Maroon 5
"Roar" - Katy Perry
"Dark Horse" - Katy Perry Feat. Juicy J
"Shake It Off" - Taylor Swift
"Blank Space" - Taylor Swift
"Bad Blood"- Taylor Swift Feat. Kendrick Lamar
"Can't Feel My Face" - The Weeknd
"Can't Stop the Feeling!" - Justin Timberlake
Other Top 10 Hits (41):
"Quit Playing Games (With My Heart)" (#2) - Backstreet Boys
"Everybody (Backstreet's Back)" (#4) - Backstreet Boys
"Do You Know (What It Takes)" (#7) - Robyn
"Show Me Love" (#7) - Robyn
"I Want It That Way" (#6) - Backstreet Boys
"Show Me the Meaning of Being Lonely" (#6) - Backstreet Boys
"(You Drive Me) Crazy" (#10) - Britney Spears
"That's The Way It Is" (#6) - Celine Dion
"Shape Of My Heart" (#9) - Backstreet Boys
"Oops!... I Did It Again" (#9) - Britney Spears
"Since U Been Gone" (#2) - Kelly Clarkson
"Behind These Hazel Eyes" (#6) - Kelly Clarkson
"Who Knew" (#9) - Pink
"U + Ur Hand" (#9) - Pink
"Hot n Cold" (#3) - Katy Perry
"Whataya Want from Me" (#10) - Adam Lambert
"Blow" (#7) - Kesha
"Dynamite" (#2) - Taio Cruz
"DJ Got Us Fallin' In Love" (#4) - Usher Feat. Pitbull
"Fuckin' Perfect" (#2) - Pink
"Loser Like Me" (#6) - Glee
"Till the World Ends" (#3) - Britney Speas
"I Wanna Go" (#7) - Britney Spears
"The One That Got Away" (#3) - Katy Perry
"Domino" (#6) - Jessie J
"Wide Awake" (#2) - Katy Perry
"Scream" (#9) - Usher
"I Knew You Were Trouble" (#2) - Taylor Swift
"Beauty and a Beat" (#5) - Justin Bieber Feat. Nicki Minaj
"Daylight" (#7) - Maroon 5
"Problem" (#2) - Ariana Grande Feat. Iggy Azalea
"Bang Bang" (#3) - Jessie J, Ariana Grande, Nicki Minaj - Bang Bang
"Break Free" (#4) - Ariana Grande Feat. Zedd
"Love Me Harder" (#7) - Ariana Grande, The Weeknd
"Love Me Like You Do" (#3) - Ellie Goulding
"Style" (#6) - Taylor Swift
"Wildest Dreams" (#5) - Taylor Swift
"Focus" (#7) - Ariana Grande
"Hands to Myself" (#7) - Selena Gomez
"Dangerous Woman" (#8) - Ariana Grande
"Just Like Fire" (#10) - Pink
I'm sorry if I skipped some songs.
[All rights goes to respective record labels!]