Carlsbad Sister City Ambassadors Board of Directors

Tom Hersant, President

Tom HersantTom is a past member of the Carlsbad Sister City Committee and Founding Director and chair of CSCA.Tom retired from a career as a public administrator with the State of California as a Regional Manager for Child Care Licensing for San Diego and Imperial counties, similar position of residential care facilities for dependent adults and children, and State Personnel Board. He is a KPBS reader and recorder of books; and actor with several local theater groups including the CSCA plays at Schulman.



Chris Kristiansen, Vice President Diversity & Inclusion

Patricia deAlterisChris recently joined the board of Carlsbad Sister City Ambassadors.  As a Carlsbad resident since 2019, she aims to be a bridge between cultures in the global landscape and contribute to the city of Carlsbad by bringing her wide range of corporate experience over the years.  She is passionate about working for Diversity & Inclusion and Sustainability in everyday life for future generations.  Her primary responsibilities at CSCA include protocol assessment and strategy integration for sister city relations.



Polly Yu, Director

Polly YuPolly was born and raised in a multicultural, metropolitan community of Hong Kong where the best of the East-West cultures meet. It had a great impact on her upbringings in the importance of History, Language, Arts, Music and how it plays out in the global business environment.
Polly has over 25 years experience in organizing Education, Government & Business exchange between US and Asia. She led the San Diego Symphony, San Diego Youth Symphony, Timken Museum Asian Arts Study, City of San Antonio Sister Cities exchanges to Asia. Currently, she is on the Board of Directors of Sister Cities International & Carlsbad Sister Cities. She devotes much of her time and effort in developing Global Exchanges for the youth in Carlsbad.



Laurenn Barker, Secretary, Public Relations

Laurenn BarkerLaurenn Barker is a graphic artist and former PR Director for an international consulting firm.  She is also a commercial sculptor and an award winning author and illustrator of eight children’s books. She has served as Co-President of the Fallbrook branch of the American Association of University Women and is currently Chair of the Carlsbad Arts Commission.  She is also a founding auxiliary member of Miracle Babies dedicated to supporting premature at-risk babies and their families. In addition to her books, Laurenn blogs about children, animals and the environment. Her websites for her children’s books and sculpture are and, respectively.


Jacquie Thye, Founder-Emeritus (October 4, 1940 – October 14, 2021)

Jacquie ThyePast chair Carlsbad Sister City Committee, Founding Director and past chair CSCA, served on SoCal Board of SCI, graduated from U Oregon in Far Eastern Studies. Assistant. Director Japan-America Society, assistant to San Diego-Baja California Consular Corps (40 countries), Hon. Consul of New Zealand and San Diego-New Zealand Business Association. Jacquie has traveled to Japan, China, Macao, Europe, Africa, Caribbean, Mexico, Canada and Central America;. She began the Japan-in-a-Suitcase program, curated Carlsbad-Karlovy Vary high school photography exhibition, hosted students from Japan, Germany and France. She was an award winning photographer and served in the League of Women Voters, Welcome Wagon and AAUW, Toastmaster and was areal estate broker in Oregon and member of Portland Homebuilders Association.

Bill Ishii, Treasurer

Bill IshiiBill is a Carlsbad native and graduate of CHS and CSULB with degrees in Marketing and Finance. He is a small business owner and has professional experience in the semiconductor microelectronics industry. He also has extensive experience with high-tech and community oriented non-profits. He is serving and has served on various professional societies’ board positions focused on domestic and international activities related to the semiconductor microelectronics industry.



Scott Morgosh, Director, Ambassador-at-Large

Scott MorgoshScott is a long time resident of Carlsbad spending over 31 years as an investment advisor.





Katherine Doherty, Director

Katherine DohertyKatherine is a global leader with over 25 years working in the field of human resources and leadership development. Previously she was the Vice President and Global Head of People & Organization for a nuclear medicine company based in Geneva Switzerland. She and her family later returned back to Carlsbad California sharing their passion for cross cultural education and development. In her corporate experience, Katherine has collaborated and led teams across 64 countries embracing a life-long learning of diverse cultures, languages, and traditions. She is committed to the development of our youth, empowering the potential of future generations, and serves as an active volunteer in the local community supporting education, charities and non-profit rescue programs.



Rich Paulsen, Webmaster

Rich PaulsenRichard graduated from CalState LA with a BA in math and then worked for what is now Avery Dennison in various technology endeavors. Later he transferred to Ricoh Electronics in Tustin, CA working as a process engineer. Relocating to the North County San Diego area he  found work as a graphic artist for Harte-Hanks. Through a family connection to the City of Carlsbad, he has availed his graphic skills to CSCA since 2009.



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