Executive Team

Our Executive Team is made up of passionate and experienced individuals, committed to our mission of making the world a healthier and happier place. They are proud to serve our valued customers and business partners around the world.


Luis Kasuga

President & CEO

Luis Kasuga began his career in network marketing as a distributor in 1990. His organization expanded to several cities across the Mexican Republic, while he gained a fundamental knowledge of the industry, personal networking experience and positive results. Luis began his career with Nikken in 1994 as a multilingual translator assistant. Humans Being More inspired Luis to develop professionally at Nikken and after occupying several positions, he was appointed General Director of Latin America in 2004.




Franck Leroy

Chief Operating Officer - COO

As COO, Franck is committed to serving the Nikken Global Wellness Community by ensuring that every operational decision is aligned with the Nikken vision of service and the 5 Pillars of Wellness. Bilingual and bicultural, Franck began his Nikken journey in 1999. From being the primary source of support for the French market to leading the Customer Service department and training staff on operational procedures, Franck has diversified and collaborated with IT on system development, incentive designs and implementation. He has proven to be an essential leader and team member in facilitating the evolution of Nikken as an eco-sensitive company. Franck holds a Master’s degree in Languages and Civilization and has done doctoral studies in Economics.


Jeff Isom

Chancellor of Nikken University

Chancellor of Nikken University", "Before joining the executive staff, Jeff Isom was already a significant contributor to the success of the Nikken legacy. As a sought-after personal development trainer, he has successfully helped thousands of entrepreneurs and Nikken business builders to discover their potential since 1999. An internationally renowned motivational speaker, trainer and leadership coach for more than 20 years, Jeff has met three U.S. presidents, worked as a professional film producer and director, and holds a bachelor’s degree from Brigham Young University where he also served as part-time faculty. Combining this talent, passion and unique experience, Jeff’s dynamic brand of leadership is an asset to his role as Nikken VP of sales & training.


Gustavo Gomez

Managing Director of Nikken Latin America

Gustavo Gomez joined Nikken as Country Manager of Colombia in 2003. He was promoted to Commercial Director of Latin America in 2006. He has more than 25 years of professional experience in the direct sales and network marketing industries and held positions in operations, logistics, commerce and executive management. With his vast knowledge, Gustavo has helped develop commercial strategies and strong brand positioning to generate profits. His previous career as an Industrial Engineer is reflected in his work to optimize Nikken Latin American processes and systems.


Gustavo has worked in diverse marketplaces, including Colombia, Mexico, Venezuela, Panama, Costa Rica, Guatemala, El Salvador, Ecuador, Peru and the United States. He has successfully opened new markets, designed field strategies to increase business expansion and helped to create incentives, training programs, compensation plans and advanced recruitment.


Carlos Cedillo

Chief Technology Officer – CTO

Carlos is committed to helping Nikken develop its technology to focus on the Global Wellness Community. Prior to joining Nikken in 2001, Carlos worked in the data analysis department of one of the largest telecommunications companies in the world. In charge of IT operations for Nikken Mexico and Central America, he participated in the market openings of Colombia, Ecuador, Peru and Chile. Carlos led one of the first implementations of the ERP SAP Business One for a Direct Selling company in 2005. In 2018, he collaborated with every department as the team leader on the major undertaking of consolidating Nikken systems worldwide. Carlos holds a BS in Computer Science and an MS in Project Planning & Direction, with a focus on ExO methodology.


Ruben Yescas

North America Sales Director

Ruben Yescas joined Nikken as North America Sales Director in January 2019. With more than 18 years of experience in the network marketing industry, Ruben brings his enthusiasm and relationship-building skills to Nikken Consultants and customers. Ruben has served consultants of every level, always supporting their growth and overall business practices. He has successfully opened new markets, established new strategies for sales and devised innovative business tools as well as ways to recognize and motivate business builders. He has worked in North America and Latin America, especially in the U.S., Venezuela, Colombia, Ecuador, Costa Rica and Mexico. Ruben obtained a B.A. in Economics from Brigham Young University and an M.B.A. from the University of Phoenix.



Jane Shima

Customer Service Manager, North America

Jane joined Nikken in 2003 as a representative in the Customer Service Department and was promoted to Team Leader in 2007. Jane learned early on to focus on listening, problem-solving and organization when she worked in customer service at Disneyland while attending college. She continued to use those skills after graduation when she worked for a tech company and assisted outside sales representatives with timely information to close sales. With her many years of experience and her invaluable understanding of Nikken, the Consultants and the customer base, Jane is the consummate Customer Services Manager. Jane holds a BA in International Business from CA State Fullerton and lives with her husband and two daughters.



Georgina Challis

Head of Marketing

Georgina’s background is rich in marketing. Her passion and experience lie in the wellbeing and beauty industries – a perfect fit for her role with Nikken. She has served over 16 years in the direct marketing industry for globally renowned companies, plus a period of time for one of the UK’s leading multichannel retailers. She is a creative and responsive, customer-focused and commercially minded marketer with a wealth of experience in various aspects of the business. Her educational background includes a Diploma in Marketing from the Chartered Institute of Marketing and management qualifications from the Institute of Management.



Andy Yamvinij

Information Technology Manager

Andy has worked in virtually every aspect of IT at Nikken, including logistics and application analyses, web and software development, system integration testing, and network and UNIX administration. In the last two decades, Andy has migrated the ERP system and helped design and execute the company’s global technology advancements, as well as playing an integral part in the Nikken infrastructure upgrades. Andy holds a BS degree in Computer Science from the University of California, Irvine and holds multiple certifications.



Julie Tara

Nikken Wellness Ambassador

Julie's first career was as a professional Ballet Dancer with the Royal Ballet in England, and Dutch National Ballet in Holland. Her second career has been as a Practitioner, Teacher and Business Owner in the field of Energy Wellness. Julie joined Nikken as an entrepreneur and became the fastest woman to reach the leadership rank of Royal Diamond Consultant. She became Consultant of the Year in 2012, and was chosen as the Heart of Nikken in 2014. As Wellness Ambassador, Julie supports the marketing and sales team in multiple ways, including introducing new channels of communications, such as the first Nikken podcast, reinforcing social media campaigns, conducting new product training and building brand awareness.



David Balzer

Nikken Technical Advisor

Dave combines his knowledge of science, technology and marketing to be a dynamic speaker, educator and product guru. He has a BASc in Chemistry but is articulate in all things related to science, while his MBA in Marketing equips him with business acumen. His association with Nikken began decades ago when he met the founder and felt a profound connection. As a product consultant, Dave has been instrumental in the research and development of many cutting-edge Nikken products. His knowledge on the benefits that Nikken products bring to the pursuit of Active Wellness is unparalleled.