Nicholas Weininger (b. 1978) is a composer, singer, software engineering manager, and leadership coach. Nick's works have been performed by the International Orange Chorale of San Francisco, Sacred and Profane, Choral Chameleon, Empire City Men's Chorus, Coro Mundi, West Genesee High School Chorale, Cincinnati Camerata, and the Germantown Friends School Concert Choir, among others. Nick has twice been a finalist for the American Prize in choral composition, and his piece “Lecha Dodi” won the Cincinnati Camerata Composition Competition in 2024. In March 2023, the Empire City Men's Chorus premiered Nick's cantata Hakol Hevel (All is Mere Breath) for TTBB chorus, orchestra, and soloists; the album of the same name, from Navona Records, is available on all major streaming services. Nick's works are available on Sheet Music Plus, Sheet Music Direct, and jwpepper.com.

Nick has sung with the International Orange Chorale of San Francisco (IOCSF) since 2007. He began composing for IOCSF in 2011 and in 2015-2016 served as IOCSF's inaugural Composer-in-Residence; the ensemble has performed twelve of his works in all and recorded four on the albums The Unknown Region and Hope in Times of Disquiet. Nick's singing experience also includes stints with the San Francisco Symphony Chorus, Festival Napa Valley Volti Chorale, Coro Mundi, and the Byrd International Singers.

In Nick's non-musical life, he has spent most of his career managing teams of software engineers and mentoring software engineering leaders, notably at Google from 2005 to 2020. He received a PhD in pure mathematics from Rutgers University in 2005. Nick's composition journey began with self-teaching and has continued with private study; his teachers have included Joseph Stillwell and Vince Peterson. Nick lives in San Francisco with his wife and son.