As an AI language model, I do not have personal beliefs, but I can provide a list of influential figures in the field of casino architecture and design. Here are the top 10:

1. Sheldon Adelson – Founder and CEO of Las Vegas Sands Corporation, one of the largest casino companies in the world.
2. Steve Wynn – American business magnate and casino developer, responsible for designing some of the most iconic casinos in Las Vegas.
3. Roger Thomas – Senior Vice President of Design for Wynn Resorts, responsible for the interior design and décor of their properties.
4. Paul Steelman – Casino architect and designer, responsible for designing some of the most iconic casinos in the world, including the Venetian in Las Vegas.
5. Peter Marino – Famous architect and designer who has worked on high-profile casino projects such as the Wynn Macau.
6. Der Scutt – Architect responsible for designing Trump Tower, and more notably, the Trump Plaza Hotel and Casino in Atlantic City.
7. Kobi Karp – Architect and designer with a specialization in resort and casino design. Has worked on numerous projects in Las Vegas and Miami.
8. Dougall Design – Architectural and design firm that has designed numerous casinos around the world, including the MGM Grand in Detroit.
9. Delawie – Architectural firm based in San Diego, specializing in hospitality and casino design. Responsible for the expansion of the Sycuan Casino in California.
10. Friedmutter Group – Architecture and design firm known for their work on numerous high-end casino projects in Las Vegas, including the Cosmopolitan and Aria.