Featured Alumni of Marki Costello's Become A Host Classes!

When you see Hosts/Personalities on television, there's a good chance the Host/Personality you're watching has crossed paths with Marki Costello -- whether they've attended one of her monthly boot camps, studied weekly in her ongoing classes or worked with her one-on-one in a private coaching session. With the industry changing so rapidly and Marki being the only one who can keep up, even the Brad Pitts of the world need a brush up every now and then! 

From brand and network consults, to network Talent coaching, to overall on-camera training, Marki does it all.






Corporate Brand Consulting/Coaching

Roxy, Professional Surf Team

The Mighty Company, Jessie Willner (IG: @Themightycompany)

TruthdigZuade Kaufman (Publisher)

Network Consults/ TV Coaching/ Casting


MTV, "Wonderland" - Steak (Co-Host)

E!, Cast Of "WAGS"

E!, "LA Clippers Dance Squad"

Lifetime, "Little Women: LA"

MythBusters- Beyond Distribution has been a leading independent distributor of world-class television content since 1984, with a London and Sydney based sales team and a Dublin office.marki costello coached for three days the new cast of myth busters JR





Talent Coaching For Networks

Tim Tebow- NFL Quarterback- Coached For FOX Television Show.

Jason Kennedy - E! News (E!)- Coached, Managed And Guided His Career To E! News. 

Ceelo GreenRecording Artist, The Voice (NBC)- On-Camera Coaching For Fuse Music Show.

Morgan Stewart Rich Kids Of Beverly Hills (E!), Boobs & Loubs-  On-Camera Coaching For E!'S Facebook Live.

Michael Yo Actor, Host, Hollywood Expert And Stand-Up Comedian. The Insider (CBS), Yo Show (Yahoo! TV)- Coached And Guided His Career To On-Camera Host Work.

Natasha Curry - Showbiz Tonight (HLN) - Coached And Guided Her Career To On-Air Correspondent Work On HLN (Natasha Interviews Marki On Showbiz Tonight)

Phil Keoghan - The Amazing Race (CBS) - Coached, Managed And Guided His Career To The Amazing Race.

Sandra Vergara - Good Work (E!)- On-Camera Coaching For Good Work (E!)

Jason Carter- Entertainment Tonight Live Digital Show

Tetris Kelly- Online Host for Billboard News at Billboard 

Chelsea BriggsOn-air host for Billboard Music

Audrina Patridge - 1st Look (NBC), The Hills (MTV)- Coached And Guided Career To 1st Look (NBC).

Sabrina Chakici - E! UK Host

Brandon Broady - The Xperiment (BET)- On-Camera Coaching For The Xperiment (BET)

Nicole Dabeau - The Buzzer (FOX Sports Digital), Red Bull Series (FOX Sports 1), Awesome Adventures (Syndicated - Emmy Nom) - Coached, Managed And Guided Her Career To Network And Digital Host Work.

Rossi Morreale - Halloween Wars (Food Network), American Airgunner (Pursuit Channel), Dating In The Dark (ABC), Can You Duet (CMT)- Coached, Managed And Guided His Career To Network And Digital Host Work.

Andrea Feczko - Vacation Creation (CW), 100 Best Places (TV Land), The QYOU (QYOU TV, Sr. Producer/Host). Vacation Chasers (HLN), ULTRA Music Festivals (UMF TV)- Coached, Managed And Guided Career To Network, Digital And Live Host Work.

Ethan Erickson - Melrose Place (CW), Extra TV (NBC)- Coached, Manged And Guided His Career To Network And Digital Host Work.

Erika Schaefer Ross - E! News Now (Eonline), Young Hollywood (YH Network), AXN Avenue (AXN Japan)- Coached, Managed And Guided Her Career To Network And Digital Host Work.

Alex Rodriguez - On Camera Coaching For The Today Show 

Zach Noe Towers- E's New Show #DatingNoFilter

Mikel Welch- Trading Spaces

Overall On Camera Hosting and Branding Consults

Karlie Kloss - Fashion Model, Victoria's Secret Angel

Carrie Ann Inaba - The Talk Host, Dancing With The Stars

Rosie Mercado – Co Host On Face The Truth

Georgie Smith - CNN Hero

Eric André Stand-Up Comedian, Adult Swim, Comedy Central, Howard Stern

Yael Braun - CEO Of Fuck Cancer

Whitney Cummings - Comedian, Punk’d (MTV), Friar’s Roast (Comedy Central)

Kelly Osbourne - Fashion Police (E!), Dancing With The Stars (ABC)

Jeannie Mai – How Do I Look (Style), Extra TV (NBC)

Bill Rancic - We Mean Business (A&E), The Apprentice (NBC) 

Dr. Lisa Masterson - The Doctors (Syndicated)

Carissa Loethen Culiner - E! News Now (Eonline - Host & Blogger)

Karrueche Tran - TV Personality & Model

Tai Beauchamp - Window Warriors (GSN)Special Correspondent For E! News

Travis DesLaurier - Social Media Expert & Influencer (IG: @Travbeachboy)

Damona Hoffman - Dating & Relationship Expert, #BlackLove (FYI) & New Untitled FYI Show

Aaron Kirman - CNBC Personality, Mega Real Estate Agent & Expert

Sarah Herron - The Bachelor, Bachelor In Paradise (ABC)

Christian Bishop - The Bachelorette, Bachelor In Paradise (ABC)

Sasha Perl-Raver - FX Movie Download

Adrienne Bankert - ABC News

Brandy Norwood - Recording Artist & Actress

Lance Bass - Recording Artist, N'Sync

Dolph Lundgren - Actor

Doug Reinhardt - The Hills (MTV) 

Dr Robert Rey - Dr. 90210 (E!)

Chad Rogers - Million Dollar Listing (Bravo)

Jenny Mollen Biggs - Chelsea Lately, Chelsea & Chelsea Does (E!, Netflix), After Paradise (ABC); TV Actress

Xixi Yang - TV Host & Blogger

Lawrence Longo - Founder And CEO Of Off The Menu (@Offthemenu)

Charlie Travers - Hollywood Medium (E!)

Erika Cobb - Daily Blast Live (Nationally Syndicated Live Show)

Sam Schacher - Daily Blast Live (Nationally Syndicated Live Show)

Bianca Jade - TV Host, Fitness Trend Expert & Founder Of Mizzfit.Com

Gretchen Rossi - Real Housewives Of OC (Bravo) 

Slade Smiley - Real Housewives Of OC (Bravo)

Hank Baskett And Kendra Wilkinson - Kendra On Top, Marriage Boot Camp (WE TV)

Andrea Schroeder - Top Design (Bravo)

Stacy Keibler Actress, Retired Professional Wrestler

Josh McBride - Entertainment Host & Lifestyle Expert

Alex Curry - Angels Weekly (Fox Sports)

Chris Balish - On The Red Carpet (KABC-TV LA)

Angela Sun - Documentary Host

Tony Horton - Beach Body And P90x

Brian Corsetti - Garage Mahal (DIY Network)

Madison Hildebrand - Million Dollar Listing (Bravo)

Cari Champion - Reporter For Tennis Channel

Brett Hoebel - Fitness Trainer,  The Biggest Loser (NBC)

Bobbie Thomas - Lifestyle Expert, Today Show (NBC)

Evelyn Lozada - Basketball Wives (VH1)

Brad Gerlach - Professional Surfer, World Surf League

Arto Saari Professional Skateboarder & Photographer 

Richard Joel - Creator And Producer On CW's "Oh Sit"

Larissa Wohl - E! News Now (Eonline)

Crystal Marie Denha - Host On Hollyscoop TV,  What The F*** Facts, & Sports Contributor For Captain Wag

Grae Drake - Senior Editor At Rotten Tomatoes

Stephanie Bauer - Host On Hollyscoop TV, Oxygen, OWN, Lifetime, AOL, Yahoo, Tru TV

Rebecca Prince - Host/Reporter, Hollyscoop TV, WireImage, Dime Of The Month (Snoop's New Channel)

Taryn Brooks Movie Surfers (Disney XD), Style Correspondant On Cambio

Stuart Brazell - The Insider (CBS), Dirty And Thirty (CW)

Joanna Krupa - Real Housewives Of Miami (Bravo)

Elisabetta Canalis - International Spokesmodel

Michele Merkin - Party Monsters (E!), Live And Loud (VH1)

Nick Zano - 2 Broke Girls (CBS)

Hope Dworaczyk Celebrity Apprentice (NBC)

D Squared - Fashion Designers

Badgley Mischka - Fashion Designers

Heidi Androl - NHL Network & Fox Sports West

Keir Dillon - XGames.Com

Teck Holmes - Real World Fame, Hole In The Wall! (FOX)

Jenn Brown - Inside The NFL (Showtime)

Ryan Brown - Flipping Out (Bravo)

Bruce Buffer – UFC

Chelsea Cannell - That Morning Show (E!)

Arriany Celeste – UFC

David Chokachi – Baywatch

Brandon London - Morning Dose (Syndicated Talk Show), Former Athlete (NY Giants)

Candice Kumai - Chef, Food Blogger. Cook Yourself Thin (Lifetime), Iron Chef America (Food Network)

Jeremy Jackson - Baywatch

Alex Schiffman - Sweety High 

Sandra Sanchez - The Morning Show (E!)

Samantha Shacher - Gamer Life

James Bawden - DIY Expert (Australian Host)

Sabrina Cofield - Actress, Host. Studied With Marki For NBC's Diversity Hosting Program.

Mollie King - The Saturdays (Multi-Platinum Selling UK Girl Group), E!'S Chasing The Saturdays

Annabelle DeSisto - Podcaster - Adderall And Compliments

Heather Gardner - Host On Yahoo!