Every member of our staff is an improvisational actor at Laughter for a Change.  In this way, they have an experiential understanding of the improvisation process and bring that perspective to all the work they do for our organization.

Ed Greenberg, Executive Director of Laughter for a Change, is an improvisational theater director, voice over actor and acting teacher. Ed has directed The Second City in Chicago and taught improv at UCLA, USC School for Cinematic Arts and Pasadena Community College. He is a workshop leader and presenter around the U.S. and internationally with a focus on laughter, storytelling and enhancing communication skills. In addition to his work with Laughter for a Change, Ed runs improv and creativity training intensives, coaches executives, and works with film directors, writers and actors to sharpen their comedy skills.


David Chung, Development and Community Outreach officer, brings for-profit and non-profit experience to L4C. David is the Co-Founder of Baghaus.com, a niche retail e-commerce company.  David also served as Program Associate at the Durfee Foundation and Youth Services Coordinator at the Koreatown Youth and Community Center. Also a Comedy Mentor, he currently leads the “Better Health Through Laughter” project at the West Los Angeles Veterans Medical Center.

Kat Primeau, L4C Executive Assistant, graduated from the Honors Tutorial College at Ohio University with degrees in Theater Performance and Media Criticism. An actress, clown, and singer/songwriter, Kat performs in LA with her musical improv team Robot Teammate and the Accidental Party. Kat has been saying, “Yes, and…” to L4C for nearly 4 years, and is particularly interested in exploring improvisation as a therapy for people living with Alzheimers and dementia.


Rebecca Sage Allen

Rebecca Sage Allen is an alum of The Second City Chicago ETC and National Touring Company. She is a graduate of The University of the Arts in Philadelphia’s Musical Theater Program. Rebecca has acted in TV, films, and in musical theater including the musical improv group “Baby Wants Candy.” She currently performs with her all-lady improv ensemble “CatNip” and teaches and directs improv and sketch comedy. As an L4C Comedy Mentor she is director/ choreographer of the “Performing History” project “Miracle in Philadelphia.”

DAVID CHUNG – David leads the “Better Health Through Laughter” Program – SEE ABOVE

Ernie GonzalezErnie González holds a Master’s Degree in theater from Kent State University, and is a graduate of the Improvisation Conservatory at The Second City Chicago. Before relocating to L.A., Ernie was a writer/performer with Second City Chicago’s outreach and diversity program. He also performed improv comedy shows at numerous hospitals in the Chicago area for three years as a member of Funny Bones Improv. Ernie currently teaches improvisation at Second City Hollywood. Ernie is the lead Comedy Mentor for L4C’s improv outreach program at Children’s Hospital L.A.

ED GREENBERG – Ed leads the PLAY Program – SEE ABOVE


Kerri-Anne Lavin has a B.F.A. in drama and in music and journalism from Carnegie Mellon University. She has appeared in many musical theater productions and is currently starring in “I Love Lucy Live On Stage.” She has been a cast member of The Second City’s Las Vegas troupe, improvises regularly at Second City Hollywood and is a freelance comedy writer for NBC and MTV. Kerri-Anne directs Performing History’s “Miracle in Philadelphia” at Community Magnet Elementary School.


Patrick Ian Moore began acting in the Trail of Tears Drama at The Cherokee Heritage Center in Oklahoma. He won the Spirit of Oklahoma Award for Outstanding Achievement in Theater. Patrick studied improv at IO West and co-founded Hammerspace Improv and IO Book Club. In addition to leading L4C improv outreach workshops at the Korean Youth & Community Center, Patrick performs professionally as a mime and is a cartoonist.

Ruth Silviera

Ruth Silveira is an actor who has worked extensively in T.V. and films and in many stage productions for such companies as Berkeley Repertory Theater and Stanford Rep. She was a member of the legendary improvisational theater company “The Committee.” At Sacred Fools Theater, where she has been a long-time company member, she has acted, produced, directed, and written shows. She serves as L4C Comedy Mentor in the Korea Town Youth and Community Center “Improv Jam.”


Keong Sim has acted in numerous film, T.V. and stage productions.  In addition to his skills as an improv actor and teacher, Keong has worked at The Public Theater in New York and Steppenwolf Theater in his hometown of Chicago, as well as around the globe in such places as Canada, Cuba, England and the Czech Republic.  Keong was recently featured on “Mike and Molly” and a recurring role on “Glee.” He currently leads the “Funny Class” at Pacific Lodge Boys’ Home.