Welcome to the premiere television hosting academy! If you're looking to break into the industry, look no further. We're the platform you need to take your career to the next level.
Based in Los Angeles and founded by Hollywood Talent Manager and Casting Director Marki Costello, Become A Host offers a range of exciting opportunities for aspiring and established hosts, including the world famous Hosting Bootcamp, a prestigious ongoing hosting school, and specialized workshops related to hosting.
NEW! We bring the industry to you with our brand-new Host Hub subscription service. The is the first online management portal specifically for hosts! For a minimal monthly fee, you can create your hosting profile, including your resume, bio, headshots and host reel, apply for jobs updated everyday and be seen by top casting directors, agents and managers. Sign-up here.


If you plan on working as host in Los Angeles, you better get in front of Marki Costello.
Marki Costello, president of Creative Management Entertainment Group (CMEG) and Become A Host, is an industry veteran with over two decades on Hollywood’s front line. Being the only management firm in Hollywood to specialize in host management, CMEG has expanded to encompass a theatrical department, a casting division, and a production arm.  Over the decades, Marki has risen through the ranks of successful companies such as Disney, Warner Bros., FOX, and TBS and now runs one of the most dynamic entertainment companies in show business.
CMEG specializes in the management of over 30 on-air hosts and television personalities.  Marki has also appeared as a branding consultant on VH1’s “Confessions of a Teen Idol,” co-hosted with Danny Bonaducie’s “I Know My Child’s a Star,” E! Entertainment’s “Fight for Fame” and ABC’s “Next Big Thing” as an expert in this field. 
In addition to casting and management, Marki also puts her talents to work as a world renowned Media Coach at her Become A Host academy.  Household names such as Whitney Cummings, Tim Tebow, Cee Lo Green and Jeannie Mai have come to Marki for expert private coaching.  Become A Host offers various hosting, acting, branding and production courses, taught by Marki, including one of the most prestigious and extensive on-camera host seminars in the country.  Based on referrals from networks, top Hollywood agents, casting directors and production companies, her monthly “Host Boot Camps” have been consistently booked full for over 14 years based on word of mouth. Marki has been involved with various workshops around the country, including one for the American Film Institute in Los Angeles.
Marki authored the very first book on television hosting called “The Inside Secrets Used by Every Successful TV Host” which sold 10,000 copies in the first quarter after its release in 2012. Marki had a hit television show based on her balancing her work and family life last fall on E! Entertainment Network, called The Drama Queen. 
She has been named to “Who’s Who of American Women” by W and Los Angeles Times Magazines and is well known and respected by a diverse cross-section of entertainment and industry executives from coast to coast.
Simultaneous to running a successful firm, she is raising two children, Lucas and Finn. They currently reside in Pacific Palisades.
Follow @MarkiCostello on Twitter!