OnTheMark's founder, Mark Kustwan, a Certified Meeting Professional with more than 25 years experience has been on both sides of the negotiating and planning table both as the head of the conference planning department of a Fortune 100 company, as well as with some of the world's premier hotel companies. Mark is a graduate of the School of Hotel, Restaurant and Travel Administration of the University of Massachusetts. He has planning and implementation experience of events ranging from board of director's meetings, sales conferences and incentive programs of 30 to more than 3,000 participants within the US and abroad.

Strong relationships have been established with hotel executives, facilities and service providers from throughout the world. Some of the hotel properties include:

Adare Manor, Ireland
Alisal Guest Ranch and Resort
Boca Raton Resort
Bone Fish Lodge, Exuma
Boston Marriott Copley Place
Cancun Palace
Caesar Park, Portugal
Cavalieri Hilton, Rome
Charleston Place
Cranwell Resort
Diplomat Golf Resort and Spa
Elbow Beach, Bermuda
El Conquistador, Puerto Rico
Enchantment Resort, Sedona
Ettington Park, UK
Four Seasons Aviara
Four Seasons Chicago
Four Seasons Nevis
Four Seasons Olympic, Seattle
Foxwoods Hotel and Casino
Fraser River Lodge, Vancouver
Frenchmanís Reef, U.S.V.I.
Gleneagles Resort, Scotland
London Hilton
Hilton Waikoloa Resort
Hotel Danieli, Venice
Hotel de Paris, Monte Carlo
Hotel Hermitage, Monte Carlo
Hyatt Regency Grand Cypress
Hyatt Regency Kauai
Hyatt Regency Scottsdale
ICONS Hotel, Santorini, Greece
InterContinental Athens
Inter-Continental London
Inter-Continental Paris
Keswick Hall
La Costa Resort
Marriott Harbor Beach

Marriott's Marco Beach Resort
Marriott San Diego
Marriott San Francisco
Marriott at Sawgrass
Mauna Lani Bay Hotel
Meadowood, Napa Valley
Ocean Reef Club, Florida
Opryland Hotel
Orange Tree Resort, Scottsdale
Ritz Carlton Amelia Island
Ritz Carlton Barcelona
Ritz Carlton Golf Resort, Naples
Ritz Carlton Kapalua
Ritz Carlton Lake Las Vegas
Ritz Carlton Laguna Niguel
Ritz Carlton Naples
Sheraton Dolphin, Orlando
Sheraton El Conquistador, Tucson
Sheraton Hotel and Towers, Chicago
Sheraton Hotel and Towers, Seattle
Sheraton Hotel and Towers, Toronto
The Arizona Biltmore
The Broadmoor
The Boulders
The Breakers
The Cloister
The Equinox
The Inn at Spanish Bay
The Little Nell, Aspen
Vanderbilt Hall, Newport
Westin at Copley Place
Westin La Paloma, Tucson
Westin Mission Hills Resort
Westin Rio Mar
Westin St. Maarten
Westin Grand Cayman
Westin Swan, Orlando
Westin Times Square, NYC