Alexander Glantz (born January 23, 1995), known professionally as Alexander 23, is an American singer-songwriter and record producer. Since releasing his first string of singles and EP in 2019, he has worked with artists such as Olivia Rodrigo, John Mayer, Noah Kahan, Tate McRae, Charlie Puth, Laufey, Role Model, Reneé Rapp, Omar Apollo, Selena Gomez, Jeremy Zucker, Joji, Bella Kay, Kenny Beats, David Kushner, Addison Rae, Teezo Touchdown, Glaive and Megan Thee Stallion, and has accumulated over a billion streams on his own music.
Early life Glantz was raised in Deerfield, Illinois, a suburb of Chicago, Illinois. At the age of 8, Glantz saw his father playing guitar which inspired him to learn as well. As a teenager, he joined a band where he also learned how to play bass, piano, and drums. He has two siblings: a younger brother, Brady, and a younger sister, Olivia.How Alexander 23 Won The Hearts Of Gen Z's Premiere Pop Girls Nylon. 16 November 2023 He is Jewish.Hometown indie pop-artist Alexander 23 catapults to stardom The JUF Magazine. 6 October 202118 Jewish Musicians for Your Summer Playlist Hey Alma. 1 July 2022
After high school, Glantz went to the University of Pennsylvania for engineering, but dropped out a year later to pursue music more seriously. Glantz then moved to Los Angeles to begin songwriting and producing for others and soon after he decided to write songs for himself and to pursue a career as an artist.
Career Alexander signed to Interscope in 2019. He released his first single "Dirty AF1s" in 2019 which made it to Spotify's New Music Friday playlist and was recognized as Apple Music's "Bop of the Week". After releasing five subsequent singles, his first EP I'm Sorry I Love You was released by Interscope in October 2019.
Since the release of his first EP, Alexander has released a number of singles as well as collaborations with artists such as Selena Gomez, Jeremy Zucker, Chelsea Cutler, and mxmtoon. He has also written and produced songs for a number of other artists such as Role Model, Olivia Rodrigo, Tate McRae and Louis The Child.
He made his first live debut opening for Alec Benjamin on his Outrunning Karma Tour in 2019 and has since opened for artists such as mxmtoon, Chelsea Cutler, and Omar Apollo. Alexander was set to open for Lauv during his How I'm Feeling Tour in August 2020, however, due to the COVID-19 pandemic these tour dates were cancelled. Alexander instantly sold out his first two headline shows in Los Angeles in February 2020.
When describing his decision to go by Alexander 23, Alexander said, "I was born on the 23rd, I grew up in Chicago and saw Michael Jordan as a huge figure in basketball and was obsessed with him, and he wore number 23. Plus, I was 23 when I started writing these songs. I knew that I wanted to go by my real first name and I just thought I'd spice it up by adding number 23 at the end."
Alexander is also a member of the ten-member band Top Bunk.
His second EP, Oh No, Not Again! was released on February 19, 2021, on Interscope Records.
In 2021, he played Dove Cameron's love interest in the official music video for her single, "LazyBaby".Weinberg, Lindsay (3 April 2021). Watch Dove Cameron’s Steamy Kiss With Alexander 23 in New Music Video E! News. Retrieved on 18 January 2025
Alexander co-produced "Good 4 U" by Olivia Rodrigo with Dan Nigro which was released on May 14, 2021, through Geffen and Interscope and debuted atop the Billboard Hot 100.
Alexander was nominated for Album of the Year at the 2022 Grammy Awards for his production work on Sour by Olivia Rodrigo.
In the spring of 2022, Alexander joined John Mayer as the opening act on his Sob Rock tour.
Alexander released his debut album "Aftershock" in July 2022 which had no features but contained the lead single "Hate Me If It Helps" which was co-written by Olivia Rodrigo, "The Hardest Part" which featured background vocals from Chappell Roan and "RIP You and Me" which includes an outro piano solo from Charlie Puth.
In January 2023, he collaborated with famed Japanese designer Hiroshi Fujiwara for the single art on his song "How To Drive".
Alexander served as the executive producer for Reneé Rapp's debut album Snow Angel which was released in August 2023.
Alexander produced and co-wrote every song on Jake Shane's comedy album Puss & Poems which was released November 22, 2024Jones, CT (18 November 2025). Jake Shane Is Turning His Octopus Obsession Into a Comedy Album Rolling Stone. Retrieved on 18 January 2025 and went to #1 on the iTunes Comedy Charts.
Discography
Albums +Title Details Aftershock Released: July 15, 2022 Label: Interscope Formats: Digital download, streaming, cassette, Vinyl, CD, streaming
EPs TitleDetailsI'm Sorry I Love You Released: October 25, 2019 Label: Interscope Formats: Digital download, streamingOh No, Not Again!Released: February 19, 2021 Label: Interscope Formats: Digital download, streaming
Singles
As lead artist TitleYearPeak chart positionsCertificationsAlbumSWEHeat"Dirty AF1s"2019—I'm Sorry I Love You"When I Die"—"Mars"—"Sad"—"High School"—"See You Later"—"Another Summer Night Without You"—13 Reasons Why: Season 3 (A Netflix Original Series Soundtrack)"I Hate You So Much"2020—Non-album singles"Loving You Gets Hard"—"IDK You Yet"19RIAA: Platinum MC: Platinum BPI: Silver Oh No, Not Again!"Caught in the Middle"—"Brainstorm"—"Nothing's the Same"—"Cry Over Boys" 2021— "Come Here and Leave Me Alone"— "Hate Me If It Helps" 2022— Aftershock "Cosplay (Stripped)"— "Ill"— rowspan=8 "Ain't Christmas" — "How to Drive" 2023— "I Wanna Live Forever"— "How Much Longer?" 2024— "On My Mind" — "Yours"— "Cozy"—"—" denotes a release that did not chart or was not released in that territory.
As featured artist +TitleYearAlbum"Lucky"2020How To Be Human"Like That"The Art Of Closure"We Don't Talk Enough"2021Change of Scenery II"—" denotes a release that did not chart or was not released in that territory.
Remixes TitleYearOriginal artist(s)"late nights - Alexander 23 edit"2019mxmtoon"Rare (Alexander 23 Edit)"2020Selena Gomez
Production credits Year Artist Album Song Co-produced with2019Role Modeloh, how perfect"that's just how it goes"AJ MitchellSlow Dance"Move On"Sam SettonMy Dream Girl Is My Ex Now"My Dream Girl Is My Ex Now""Santiago""Gum""Wine""Nice Kid""Hurts So Much""Pink Nikes""20 Roses""Palm Tree""Please Don't"Non-album single"I Never Lied 2 U"Maude LatourStarsick"Plans"2020Selena GomezNon-album single"Rare (Alexander 23 edit)"Noah KahanNon-album single"Pride"(with mxmtoon)mxmtoondawn & dusk"used to you"dawn (the edits)"1,2" (featuring Chloe Moriondo)Maria IsabelStuck in the Sky"A Game I Lose""Stuck in the Sky"Brandon JhonMax LeoneMalleable"The Beach"Max Leone2021 Olivia RodrigoSour"Good 4 U"Dan Nigro2022Lexi JaydeCloser to Closure"Drunk Text Me" Nick RuthDavid KushnerMr. Forgettable"Mr. Forgettable" renforshortmoshpit"moshpit" Jeff Hazin Tate McRae I Used to Think I Could Fly"boy x" "what would you do" Charlie Puth, Blake Slatkin2023 Reneé Rapp Everything to Everyone (Deluxe)"Bruises""Everything To Everyone (Extended Version)" Snow Angel"Talk Too Much""I Hate Boston""Poison Poison""Gemini Moon""Snow Angel""So What Now" Pop Wansel, Some Randoms, Isabella Sjöstrand"The Wedding Song" Jon Bellion, Tenroc"Pretty Girls" Petro A.P."Tummy Hurts""I Wish""Willow" Petro A.P."23"Reneé RappSnow Angel DeluxeI DoSwimTummy Hurts feat. Coco JonesGlaivei care so much that i dont care at allPardee Urgent Care Reneé Rapp feat. Megan Thee Stallion Mean Girls "Not My Fault" Ryan Tedder, Jasper Harris, Jeff RichmondAddison RaeAR"It Could've Been U"Grace EngerWell Here We Are"Bad Guy"Grace Enger, Jeremy Zucker, Laufey"The Neighbourhood"Petro AP"Me to You"Grace Enger, Petro AP"When It Was Over"Grace Enger"The Cut"Grace EngerOlivia RodrigoGuts"Get Him Back!"Dan Nigro2024Blu DeTigerAll I Ever Want Is Everything "You Say"Blu DeTiger
Songwriting credits Year Artist Album Song Co-written with2019Role Modeloh, how perfect"that's just how it goes"Tucker PillsburyAJ MitchellSlow Dance"Move On"Aaron Frederick Mitchell Jr., Jesse FinkMaude LatourStarsickStarsickMaude Latour"Plans"2020Maria IsabelStuck in the Sky"Light Your Way Home" (interludeBrandon Jhon, Maria Severino"A Game I Lose"Daniel Esguerra, Maria Severinomxmtoondawn & dusk"used to you"MaiaLouis The ChildHere For Now"Bittersweet"Frederic Kennett, Robert HauldrenMax LeoneMalleable"The Beach"Max Leone2022Lexi JaydeCloser to Closure"Drunk Text Me" Alexis Burnett, Cate Downing, Nick RuthDavid KushnerMr. Forgettable"Mr. Forgettable" David Kushnerrenforshortmoshpit"moshpit" Lauren Isenberg, Jeff HazinTate McRaei used to think i could fly"boy x" Tate McRae"what would you do" Charlie Puth, Blake Slatkin, Tate McRae2023Reneé RappEverything to Everyone"Bruises" Reneé Rapp, Cleo Tighe, Isabella Sjostrand, Elie Rizk”Everything to Everyone - extended version”Reneé Rapp, Sarah Aarons, CirkutSnow Angel”Snow Angel”Reneé Rapp"Talk Too Much""I Hate Boston""Poison Poison""Gemini Moon""So What Now""The Wedding Song""Pretty Girls""Tummy Hurts""I Wish""Willow""23"Snow Angel (Deluxe)"I Do""Swim""Tummy Hurts" (feat. Coco Jones) Reneé Rapp featuring Megan Thee Stallion Mean Girls "Not My Fault" Reneé Rapp, Megan Thee Stallion, Ryan Tedder, Billy Walsh, Jasper Harris, Jeff Richmond, Nell BenjaminJeremy ZuckerOK"OK"Jeremy Zucker, Ben Ash, Artemas DiamandisAddison RaeAR"It Could’ve Been U"Addison Easterling, Tia ScolaGrace EngerWell Here We Are"The Neighbourhood"Grace Enger, Dough Schadt"When It Was Over"Grace Enger2024Blu DeTiger All I Ever Want Is Everything"You Say"Kyle Shearer, Nate Campany, Blu DeTiger 2025 Joe Jonas Music for People Who Believe in Love"Parachute"Joe Jonas, Justin Tranter, Paris Carney"Only Love"Joe Jonas, Justin Tranter, Beau Nox"What We Are" (feat. Luísa Sonza)Joe Jonas, Luísa Sonza, James Ghaleb"Constellation"Joe Jonas, James Ghaleb
Awards and nominations
! |- |align=center|2022 |Sour |Grammy Award for Album of the Year
Tours
Headlining
Oh No, Not A Tour! (2021) Aftershock Tour (2022)
Opening act Alec Benjamin - Outrunning Karma Tour (2019) Omar Apollo - The Speed of Sound Tour (2019) John Mayer - SOB Rock Tour (2022) AJR - OK Orchestra Tour (2022) Renee Rapp - Snow Hard Feelings Tour (2023)
References