Faculty & Graduate: Yale School of Drama

Berg is a graduate​ and currently on the Acting Faculty of the Yale School of Drama​ in addition to teaching bi-coastally at his studios in New York City and Los Angeles. Additionally, he has taught workshops all over the world including London, England; Paris, France; Sydney, Australia; Tahiti, French Polynesia; and Fargo, North Dakota.

Prior​ to Yale​ he trained at The Circle in the Square Theatre in New York City. He has studied privately with such legendary teachers as Paul Mann, Michael Howard, Kim Stanley, Nikos Psacharopoulos and Earle R. Gister. His New York stage credits include Come Back to the Five and Dime Jimmy Dean, The Flowing Peach, Romeo and Juliet, The Admiral Bashful, The Shrewing of Blanco Posnet, Molly, Andrew After Dark, Much Ado About Nothing, Faust, and The Colonization. Regional credits include work at the Yale Repertory Theater and The Yale School of Drama: A Midsummer Night’s Dream, King Lear, King John, Measure for Measure, Three Sisters, and A Ride Across Lake Constance, to name a few. Among his directing credits are Dolores and Sisters at the Company of Angels and the west coast premiere of John Ford Noonan’s POPPS.

After working for many years in New York as an actor, acting teacher, and private coach for stage and film, Gregory Berger-Sobeck opened Berg Studios in Los Angeles in 1998. He currently teaches both coasts; remaining the artistic director and master acting teacher at Berg Studios as well as teaching On Camera Acting at the Yale School of Drama. Berg Studios alumni have been Emmy Award Winners, Emmy Award Nominees, acted on Broadway and have had multiple series regular and guest star roles on television. Mr. Berger-Sobeck has also been voted Best Acting Class, Best Classical Class, Best Monologue Coach and Private Coach by Backstage Magazine.  

As an actor he has was nominated best actor at the Beverly Hills Film Festival and the S.O.Y.S. Film Festival for the film Persona. The film was also the finals for Best Short category for the Academy Awards. Guadalupe the Virgin, another film he starred in, was named best film in the Mexico International Film Festival.


Graduate: Yale School of Drama

Adrian earned his MFA from the Yale School of Drama, training under the esteemed acting teacher, Earle Gister. While at Yale Adrian was awarded the Carol Dye Award, awarded to one student in recognition of their talent and accomplishments in performance. He also studied for a time with legendary acting teacher Sanford Meisner and at the St. Petersburg State Theatre Arts Academy in St.Petersburg, Russia, where the dedication, deep respect of craft, and the thrilling creativity of the Russian students and faculty had a profound impact. He received his BA in theatre at Whitman College, where he met his first mentor, the wonderful Jack Freimann. Since 2011 Adrian has been an acting instructor at The Berg Studios here in LA as well as a guest instructor at the theater department of Juniata College in Pennsylvania, and the Shakespeare Theater Company in D.C.

His many stage credits include some of the best theaters in the country such as the Mark Taper Forum, the Shakespeare Theater in DC, The Seattle Rep, The Old Globe, the San Jose Rep, the Dallas Theater Center, the Yale Repertory Theater, South Coast Repertory, and he is a company member of LA’s Antaeus Company. He has appeared Off-Broadway at the Kirk Theater and at other New York theaters including Target Margin Theater, Lincoln Center, The Connelly, NY Theater Workshop, and the New York Fringe Festival. Among his many collaborations on original work, he has developed and performed with The American Symphony Orchestra at Lincoln Center, and around the nation with the Ensemble Galilei.

Adrian is a consistently working TV & Film actor as well, and has appeared in numerous television series such as NCIS, Last Resort, The Closer, House, NCIS:LA, Boston Legal, Without a Trace, Criminal Minds, Numbers, and Sons of Anarchy. Adrian is also an accomplished voice over actor and recently completed a season as the voice of the evil Unalaq on Nickelodeon’s hit show Avatar: The Legend of Korra.


Ms. Doukas combines her professional life as an actress with a commitment to teaching. Recent teaching credits include scene study and Shakespeare Basics at the Antaeus Company, and Speaking Shakespeare at A Noise Within, as well as an ongoing scene study class at The Art of Acting Studio. With her teaching partner H. Richard Greene, she teaches a summer intensive acting conservatory at UCLA, Berkeley, and Florida State University.

As an actress she is a regular at South Coast Repertory Theatre, where she has appeared in five world premieres and an array of classical roles. Other regional theatre credits include the Pittsburgh Irish and Classical Theatre Company, the Old Globe, the Pasadena Playhouse, the Mark Taper Forum, A Contemporary Theatre, Berkeley Repertory Theatre, the American Conservatory Theatre, Shakespeare Festival LA, Shakespeare Santa Cruz, and the Berkeley Shakespeare Festival. TV and film credits include “Shark,” “Numbers,” “Without a Trace,” “Criminal Minds,” “Boston Legal,” “Malcolm in the Middle,” “Caroline in the City,” recurring roles on “Desperate Housewives” and “Almost Perfect,” and the feature Seven Girlfriends. She has an MFA from the American Conservatory Theatre.


Graduate: The Juilliard School 2018 Lunt-Fontanne Recipient

Cornell studied acting at the Juilliard School of Drama. After an 8 year hiatus, in which he pursued a PH.D. in the history of capitalism, he returned to acting. Since then he has appeared in both Off-Broadway and Broadway productions where he once shared the stage with a childhood hero, James Earl Jones. He has appeared in nearly 25 television shows and five films, including a recurring role on the FX series Rescue Me, playing the character of Richie.

Cornell has the good fortune to have a fun and successful voice-over career. This has included narrating several popular documentary series. Recording the narration for a series is truly a creative collaboration and he has enjoyed working with each group of directors and producers to craft a vocal sound that best compliments and enhances the content of their storylines. He’s also recorded for a wide range of commercial products and brands including: Super 8 Motels, Hennessy VS Cognac, Ford,  Sony Records, Planters Almonds, Lowe’s Home Improvement. On the animation front he’s voiced leading roles in video games and cartoons. He can also be heard as the voice on NFL Gameday Morning, on the NFL Network, which he has done for the past 4 years.


Graduate: Yale School of Drama

Chasten holds a​ BFA from NYU’s Tisch School of the Arts, and an MFA from the Yale School of Drama. ​She has performed on Broadway, Off-Broadway, and a National Tour​ of ‘Hair​’. Chasten ​made ​her film debut in Jim Jarmusch’s Paterson​ with Adam Driver which received awards at the Cannes Film Festival in 2016​. Chasten has also appeared as a recurring guest star on Elementary, and guest starred on ​the shows ​Braindead ​& Pure Genius. She has ​most recently​ appeared as Bessie Louvin​, ​a series regular on the USA drama “Damnation”. ​


Graduate: UCLA TFT

Bronx, NY native, now Los Angeles resident. Tiwana’s acted in 20 national commercials, with television credits on Scandal, American Crime, NCIS and General Hospital. A graduate of Second City Hollywood’s improv and directing programs, with a myriad of comedic sketch performances at UCB, iO. West and Second City.
Prior to moving to LA, Tiwana learned how to operate and think like an entrepreneur from her career coaches Janice Hoffman and Scott Glasgow. Craft and Business are equally paramount if one chooses to have career longevity with out being a starving artist. Kristine Oller and Dallas Travers taught her how to navigate Hollywood.
Minding your Show Business is an actor’s top priority, not to be left in the hands of others. Ignore your business of show and you’ll squander time, energy and money. Profoundly knowledgeable and a valuable resource, Tiwana enjoys teaching actors strategy practices to gain consistent momentum in their careers