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Certified Protocol Etiquette Consultants
- Diane Diehl
- Lisa Gaché
- Lucia de Garcia
Diana Olson

President & Founder

A Visionary

Ms. Diehl is recognized as the Miss Manners of International etiquette and protocol. Director and founder of Diane Diehl Company, a California based protocol consulting and training enterprise, Diane is one of a small handful of certified protocol and etiquette experts originally trained in the 1980’s.

One word best describes Diane Diehl - visionary – for she was the first company to offer training for children, business and social etiquette as well as international protocol. She integrated into her business programs the international component – knowledge she gained from working with military attaches and chiefs of protocol. Most etiquette and training organizations today have followed her lead.

Diane Diehl Company was also the first to develop a network for referrals - International Society of Protocol Consultants™ for other etiquette consultants and trainers. No referral fees, no membership fees - only a dedication to servicing that client!

She also was the first to provide scholarships from the Marjabelle Young Stewart & Grace B. Kyle Scholarship Fund. Anyone who has an interest in being an etiquette trainer should be able to do so, regardless of ability to pay.

Educational Background

A graduate of Chicago’s Lake Forest College and daughter of a top ranking military officer attached to diplomatic posts and Washington’s Pentagon, Diane’s childhood was spent immersed in protocol issues surrounded by social affairs and state functions governed by generations of military and political etiquette.

In the 1980’s Diane was uniquely trained by Sondra Snowdon of Snowdon International and co-founded the International Protocol Officers Association™ – whose mission was to bridge protocol training from the governmental sector to private enterprise.
Later that decade Diane further received her Business Etiquette certification in Washington D.C.

She also studied under Professor Hester Beall Provensen, Communication Consultant to Members of Congress, the Administration, and Diplomatic Corps. She received intensive cross-cultural training from the Institute of Cross-Cultural Training.

Diane went on to develop children’s programs through her association with Marjabelle Young Stewart, author of over twenty books on etiquette and protocol. Marjabelle Young Stewart and Grace B. Kyle (Diane’s mother) in the 1950’s taught charm classes together in the Washington D.C. area and they were trained by Mrs. Gladstone Williams, the authority on all etiquette and protocol at that time in the Washington.

In 1989 she was selected as West Coast Representative for the Marjabelle Young Stewart Enterprises Children’ Programs, most well-known since the 1960’s White Gloves and Party Manners. These programs are presented at the United Nations International School and in White House circles as well as over 800 cities throughout the United States and Europe.

Marjabelle Young Stewart was the etiquette icon of our modern era for no other authority has written as many books for children and adults as Ms. Stewart. Diane Diehl Company is honored to continue her legacy.

The last ten years Diane Diehl has been affiliated with a major international airline where she visits many international destinations with the purpose to continue her own ongoing original research into the international customs and protocols of a particular country. During these last few years she has lived with her family in Albania, Macedonia, Jordan, and London, England.

Currently, Diane Diehl along with her Director of Children’s Programs, Lisa Gache have formed a new venture entitled, Beverly Hills Manners™ which will provide ongoing training programs for children and adults. In 2006 Diane completed her much acclaimed World Class Customer Service Program™ for the hotel industry and looks forward to promoting this exclusive and unique program worldwide. They will be launching a series of etiquette books, brand products for entertaining, videos, television series, as well as teaming up with fashion designers to provide respectful and chic fashion styles for young women.

Diane Diehl and her classes have been featured in various news publications, radio and television shows. She was a contributing author to World-Insight, a Perspective on International Relations, published by Worldport Los Angeles.

Please visit our media section to view the extensive news coverage from Town & Country to the London Times, Newsweek, Time Magazine and many more.

Diane Diehl’s e-books entitled, International Protocols of Japan, Korea, China, France and Germany, and International Dining and Gift-Giving Customs can be obtained through her website's bookstore.

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Director of Children's Program

After years working in both the entertainment and service industries, Lisa sought to create a one-stop destination for a variety of personal needs and founded FeatherSmoothers Concierge Services, Inc. in the fall of 1999. Drawing upon her contacts in the entertainment industry, she successfully built a clientele which included entertainers and their representatives, investment bankers, Internet executives, and other professionals. Simultaneously, she cultivated important vendor relationships with proprietors of diverse businesses, along with creating a database of well over 2000 entries. FeatherSmoothers was acknowledged by The Hollywood Reporter and by MTV as a resource for the entertainment industry.

In 2001, following the birth of her first child, Lisa recognized the need for a concierge service devoted solely to helping parents with babies and young children. She opened her new division, FeatherSmoothers Baby, with the same intention to provide parents with an all encompassing, convenient service to make their entry into parenthood a truly enjoyable experience. Lisa has coordinated events for Liz Lange Maternity and is identified as a valuable source of information in the book City Baby L.A.

In the spring of 2002, Lisa seized the opportunity to introduce her clients to the world of protocol and etiquette. She began apprenticing with Diane Diehl Company with the purpose of offering Diane’s programs as a natural extension to the concierge services. While raising two young children of her own, Lisa began focusing her attention on the children’s protocol and etiquette programs that teach social skills and the importance of self-esteem, kindness and empathy.

Lisa is a native of Beverly Hills, California. In 1989, she graduated from Sarah Lawrence College in New York after attending her junior year abroad in Italy. She is married to an entertainment attorney, and is the proud mother of two daughters, Sydney and Dylan. Lisa is a member of the Los Angeles Society of Corporate Concierge.

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Lucia de Garcia
Director of International Corporate Development

Lucia De Garcia is the founder, President & CEO of Élan International of Newport Beach, California, since 1984. Élan assists both foreign and domestic enterprises in Latin American business practices, opening new markets, and expanding market share throughout the hemisphere. She is the Founder of the Multicultural Institute for Leadership, (MIL), a Trustee of the Jane Goodall Institute, (JGI), and a board member and International Relations Chair of the Latin Business Association (LBA).

She has received praise from influential political, community, and business leaders from several countries. De Garcia has been a keynote presenter to leaders of the State of The World Forum, chaired by Mikhail Gorbachev, the Anthony Robbins Research Mastery University, the Republican Governors Association National Conference, and the World Congress of Women Business Owners, among others.

Her recognition and awards include: Who's Who Among Hispanic Americans, and Who's Who in the World; Society for the Advancement of Management (SAM), Millennial 2000 Manager of the Year Award; Latin Business Association, (LBA) "Salute to Hispanic Business" in Appreciation and Dedication to the Hispanic Business Community, 1998; Minorities In Business Magazine, Multi-Cultural Prism Award; and the U.S. Hispanic Chamber of Commerce, International Business Award. Hispanic Business Magazine ranked ?lan the Third Fastest Growing Company in the U.S. for '94-'95, and U.S. Hispanic Business Fortune 100 & Fortune 500 in 1996 to 2004.

De Garcia is a published author, she writes editorials, and appears regularly on national and international television, public radio, and documentaries for the BBC Network and Global Vision Network LTD. from Europe. Born in Colombia, South America, Lucia De Garcia is multi-lingual, multi-cultural, and enjoys reading, traveling, and the fine arts.

She is writing a book with the working title "Building Bridges of Understanding: A Personal Quest for Unity and Peace" and is profiled in the 1996 Simon & Schuster's "Latino Success, Insights from 100 of America's Most Powerful Latino Business Professionals."

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Director of Fashion & Image Design

Diana Olson brings over twenty-five years of experience in the image and fashion industry. She is the founder of her own California image consulting business, Diana’s Color Collage. Diana is a member of a select group of image consultants that were the first to train and develop programs in advanced systems of custom color and style analysis. As a Certified Image Professional (CIP), she holds a highly revered advanced credential from the Association of Image Consultants International.

She received her Bachelor of Arts degree from the University of Texas and Masters of Arts at San Francisco State University. Diana studied at The Fashion Academy and the Protocol School of Washington, She received specialized instruction from Marjabelle Young Stewart for children’s etiquette programs and from Suzanne Caygill, creator of the advanced Color Harmony Theory. Diana is a member of Color Designers International.

Diana Olson has received numerous awards. For many years she has been in Who’s Who in America, and President of Southern California’s Association of Image Consultants International, 2002-2004. Currently she is AICI Vice-President of Programs and Education. Diana is the author The Secrets of Color and Style. In her book, she validates personality, coloring, bone structure, and energy expression as tools for presenting a positive and powerful visual and social presence. Of particular merit has been her design of “Forever Together” National Memorial Jewelry which brings special comfort and solace for those experiencing the loss of a child.

Diana Olson provides her expertise through the development and coordination of all the programs relative to image, fashion, and style for Diane Diehl Company. She continues to update the curriculum based on changes within the exciting field of image and fashion. She also brings her expertise to the workplace when advising executives on how to dress appropriately, depending upon that international client. Cultural awareness is paramount for any business success. Diana currently is a private image consultant to many of the Fortune 500 top corporate executives and staff, assisting them in wardrobe coordination. She trains many of their young managers in professional image and executive and business protocols. Many of her students are recent graduates from some of the most prestigious business schools in the nation. These graduates benefit from instruction on how to interact with the corporate client, especially in the international arena.

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Contact Information
Diane Diehl Company
Office: 949-300-9432
- Diane Diehl
Diane Diehl Company


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