instructors & Staff

Tim is honored to have such an incredible and diversely talented team of instructors, all of whom have been trained in his vocal method - Singing Mastery. This method of singing addresses the needs of singers from the beginner to the professional level and covers a series of styles, including musical theatre, pop, rock, R&B, gospel, jazz, and classical.

Follow TWVS here on - Instagram

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Tim Welch is a Voice Teacher, Performer, and Music Producer who has worked with performers from broadway stars to Grammy winning artists. Over the course of Tim's 14 year private vocal instruction career, he has taught at least 15,000 voice lessons in virtually every style of singing.

Tim received his master of music degree in vocal performance from the University of Illinois.  Shortly after receiving his degree, he worked professionally in opera and musical theatre both in the United States and abroad. Even though Tim has extensively studied classical voice, his experience is far from limited to the classical music world. Each week Tim works with: Singer/Songwriters, Electronic Musicians, Hip Hop/R&B performers, Church Musicians and Jazz singers wearing the hat of vocal instructor, music producer or musical mentor. 

Tim is also the creator of The Singing Mastery Vocal Method and has been published online about teaching singing. 

Tim is also a critically acclaimed performer, who is constantly honing his skills in singing Musical Theatre, Jazz, Classical and Contemporary Styles. He also actively pursues songwriting and composition. During the summer of 2012 Tim started Sojourn Society an 80's inspired electropop band here in NYC. In addition to "Sojourn Society" Tim launched a solo indie dance project in January 2015 called Volf Yunge which recently had tracks signed to Australian record label Hi-Tech Records

Tim’s unique singing method teaches students how to effectively breakdown the differences between singing styles so they will be versatile, flexible and healthy singers.  

Emily zapata

Vocal Instructor

Specialty: Piano for Singers


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Emily has been teaching private voice at TWVS for almost four years. She received a Bachelor of Music in jazz vocal studies from Montclair State University. While her specialty is jazz, she has an expansive teaching repertoire including all styles. Emily offers private and group voice lessons, songwriting, beginning piano accompaniment for singers, and lessons in English, as well as Spanish.

Click here to follow her on  Instagram 


Brian wiseman

Vocal Instructor

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Specialty: Guitar for Singers

Brian has been teaching voice for over two years. He has performed and recorded with several bands and artists in the tristate area, and his music has been featured in commercials and on television. While Brian specializes in producing vocals and contemporary recording vocal techniques, he is quick to adapt his voice to different styles. Along with teaching private and group voice lessons, Brian also teaches songwriter instruction, as well as guitar accompaniment for singers.

Click here to follow Brian on Instagram

Anni Epstein

Vocal Instructor

Specialty: Acting and Dialects


Anni Epstein is an actor, writer, and voice teacher based in Brooklyn. A native of Maplewood, Anni trained and performed locally throughout her childhood, and eventually went on to earn a BFA in Musical Theater with Emphases in Acting and Repertoire from The Boston Conservatory. While in Boston, Anni trained under Mary Saunders, Doug Lockwood, Ken Baltin, and award winning director David R. Gammons, among other notable professionals in the Boston theater community. Her favorite Boston credits include Cyclops: A Satyr Play at the American Repertory Theater (Oberon), and Skin and Bone, David R. Gammon's contemporary retelling of Thomas Middleton's The Revenger's Tragedy, wherein she played the title role. After returning to the New York area, Anni lead the ensemble cast of The Sonnets off-Broadway at the Robert Moss Theater, and began to pursue on-camera work in addition to theatrical roles. She can be seen in the premiere episode of The Real SVU on Lifetime, and in season 3 of Showtime's Billions. Click here for Anni's WEBSITE

Anni teaches private voice lessons, acting and monologue prep, and coaching for musical theatre auditions.  

Alfredo Diaz

Specialty: Acting for Theatre and TV/Film

Alfredo's  WEBSITE

-Acting Monologue Prep

-TV/Film Commercial Acting Techniques

Alfredo has studied acting with some of the amazing instructors like: Larry Moss, John Dapolito from AWG and Allen Savage to name a few.  Alfredo is currently represented by Abrams Artist Agency.

"I'm passionate about working on roles of the unlikely heroes, or anti-heroes. Also, stories about broken spirits rising with courage in the absence of light. I enjoy exploring the true nature of the sub-culture and the characters that navigate through it, in order to bring us the lessons of the underground or the unknown. I love working on both stage and film to bring you these stories of The Heroes Journey into the Night."

-Alfredo Diaz

Jeff Kay

Offering private voice and guitar lessons in Astoria, Queens.

Jeff Kay received a BFA in jazz and contemporary music performance from The New School University where he studied with Kevin Burke, Amy London, Janet Lawson, Jay Clayton, Junior Mance, and Billie Harper to name a few.

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Since graduating from NSU, Jeff has been teaching voice and working on several music projects. One project of note is the band “The Gantry” which Jeff created and performed with here in NYC at such venues as: Arlene’s Grocery, Pianos, Rockwood, Mercury Lounge, and The Bowery Ballroom. In addition to local NYC performances, Jeff took “The Gantry” on 2 tours which included performances at Campfire Fest, SXSW, CBGB Fest, and Music Fest.

Jeff is currently balancing his time teaching voice and guitar with rehearsing new music projects, as well as spending time with his wife Heliany and daughter Emilia.

As an instructor, Jeff is the perfect blend of laid-back and inspiring, and is a master at making his students feel comfortable and safe to explore all aspects of their vocal sounds. In addition to teaching voice, Jeff also teaches guitar for singers, which focuses on giving singers the skills they need to accompany themselves while singing and songwriting.

Jeff is excited to get you started on your vocal studies.

Helena Widmann

Offering private voice and guitar lessons in Rhode Island.


Helena Widmann is a Rhode Island-based contemporary singer-songwriter and vocal teacher with 20 years of performance experience. Her career started at the age of 5, when she began acting and singing in musical theatre productions with Rhode Island Youth Theatre. Throughout her high school and college career Helena studied classical voice. She was a member of the jazz select choir for her high school and was the lead singer for jazz combo groups in college. She also sang in concert, chamber, and select choir, frequently auditioning and being chosen for solo performances. Her interest in jazz and contemporary music influenced her decision to audition for and later study voice at Berklee College of Music.

While receiving her college education, Helena also worked as a freelance contemporary singer and vocal instructor, providing backup vocals for Grammy-nominated music engineers based in Rhode Island.

Today, she actively performs as one of the lead vocalists in the New England based R&B/soul band, “SoulBabe”.

Adminstrative staff

Mutlu Bascillar

Studio Manager

Mutlu has year of experience in professional management, event coordination and the implementation of organization systems. Mutlu is the wife of TWVS adult student Steven Feldman and is not only the studio manager, she is also an amazing Crossfit athlete and nutritionist. Tim is so honored to have her on staff. 

Raya Mae J

Scheduling and Invoicing Assistant

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All the way from Alberta, Canada! Raya has worked various administrative and virtual assistant jobs.  Raya is the first contact for new or current students looking to schedule lessons with any Tim or any of his amazing staff.