Thelma Muro-Dittes - Principal

Thelma Muro-Dittes is a professional with almost 20 years of experience in the world of Real Estate Development and Architecture. Her professional qualifications include all aspects of Architectural Design and a comprehensive understanding of the building process, including Programming, Entitlement, Site Analysis, Conceptual Design, Construction Documents and Construction Administration.

As Project Manager and Owner’s Representative, she has been an integral part of large developments in the United States, Mexico, China, and Singapore. Thelma’s emphasis on quality project management assures clients that the project will meet its schedule and budget while maintaining the integrity of the design and use intent. Her experience as both a Designer and Developer, maintains a leveled interest on all sides of the project equation, Design, Cost and Use, through the coordination of feasibility studies, governmental processing, design development and constructability. Thelma’s proficiency with consultant coordination on complex large-scale projects has guided many clients through the difficult understanding of the full scope of design and construction issues of a turn key project.

Her experience includes Themed Environments, Entertainment Venues, Hospitality, Retail, Commercial, Transportation, Civic, Medical, Educational and Multi-Family Residential. She has contributed to of some of the most prestigious Architecture and Engineering teams in the United States including: Ellerbe Becket & Associates, HNTB Architecture & Engineering, and Gensler & Associates.

Her Bachelor of Architecture degree from California State University, Pomona, included International studies in France, at the Sorbonne University of Paris; In Italy, at the Poly-Technical University of Milan; In Greece at the Poly-Technical University of Athens; and in Mexico at the Ibero American University in Mexico City.

Thelma serves in the Program Committee of ULI Orange County (Urban Land Institute) and is an active member of TEA (Theming and Entertainment Association) and AIA (American Institute of Architects). She also donates her time and talent to helping the community through organizations such as HomeAid, The Orange County Rescue Mission, Kidworks, The Susan Komen Foundation, The Lupus Foundation, as a member of the Nominating Committee of GSOC, (Girl Scouts, Orange County), and as a Board Member of Wise Place in Orange County.

Ms. Muro-Dittes speaks English and Spanish fluently.

Juan Mayans-Boom - Principal

With a strong entrepreneurial spirit and a focused vision for successful new ventures, Juan Mayans-Boom has launched and helmed numerous endeavors in a diverse range of industries. Among the highlights of Juan’s accomplishments in the business world: Alfatecnica, a translations and localization services company in Madrid, Spain; Simedia, an IT services development company in Madrid, Spain and Seattle, Washington; He published Persona in Seattle Washington, a Hispanic magazine for the English Speaking audience; Pi Factor, a marketing and advertising agency in Madrid, Seattle, California and Mexico; and IM Global Resources, an international joint venture providing President Olasegun Obasanjo’s Nigerian Government with an innovative program to maintain the equity participation between the NNPC (Nigerian National Petroleum Corporation) and the JV partners.

His experience in the Architecture and Engineering world began with Parson’s Brinkerhoff, in the early nineties, decentralizing and turning their Western Media Group into a profitable local studio within 12 months. Since then, he cofounded Thelma & Boom, and Generator, a creative agency focused in servicing the development industry.

Mr. Mayans-Boom served in the Spanish Army’s at the Special Operations Group n12 in 1991. This experience, along with his Bachelor Degree's studies in Sociology at the Universidad Complutense in Madrid, Spain and his Business Management and Administration studies at the ESIC Business & Marketing School in Madrid, Spain, prepared him well for the challenges of an entrepreneurial spirit.

Juan has also served on several Boards of Directors including the Washington State Hispanic Chamber of Commerce, KidsQuest Childrens’ Museum and the North Seattle Community College Foundation, where his multi-cultural experience has proved highly valuable in reaching different culture segments. He has also served in the Executive Council of the California State Fullerton School of Business and Economics and is an Associate Member of the AIA, American Institute of Architects and TEA, Theming and Entertainment Association.

Mr. Mayans-Boom speaks English, Spanish and Dutch fluently.

Leslie J. Zipfel - Principal

Leslie J. Zipfel is a respected, trusted and highly experienced Architecture designer whose career spans over 16 years in Theme Park, Water Park and Zoological Themed Entertainment design. Her unique combination of Artistic and Technical training and experience on projects worldwide, make her an exceptional asset to the Thelma & Boom team.

Ms. Zipfel proficiency as Project Architect, Project Manager, Creative Designer and Art Director from Concept through Construction, comprises traditional Architectural developments as well as Entertainment developments, including Theme Parks Roller Coasters, Rides, Retail, Theaters, Restaurants, Hotels and Nightclubs, Zoological Exhibits, Interior Architecture in Hospitality, Retail and Restaurants. Ms. Zipfel has been instrumental in the shaping of world - renowned destinations that have become industry benchmarks to follow, including Disney World - Orlando, Sea World - San Diego, Sea World – Orlando, Busch Gardens – Tampa and several casinos in the famous Las Vegas Strip.

Her experience spans from the US to Europe and Asia and the Middle East. Her understanding of circulation and planning transcends cultural tendencies and preferences. She manages to beautifully maximize the efficiency of any Master Plan she works on and increase the efficiency and success of every project she is involved in.

Ms. Zipfel holds a Bachelors of Science from the School of Architecture at the University of Kansas, and a Masters of Architecture with a specialization in Built Form and Culture from the School of Architecture at the University of Kansas.