Blue Water Area Chamber of Commerce - Port Huron, MI

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Chamber Staff

Thelma Castillo, President and CEO,

Thelma received a Bachelor of Arts degree from the University of Michigan and received a J.D. from the Detroit College of Law and became a license attorney in 1988. 
In 2004, she earned the designation of Certified Chamber Executive (CCE), from the American Commerce Chamber Executives, a national organization.  She is also a graduate of the Center for Creative Leadership, Institute for Organizational Management and Leadership Detroit XII.

She was previously employed by the Detroit Regional Chamber, one of the largest chambers in the country.  She brings over 18 years of chamber experience.  Her areas of expertise included Workforce Initiatives, Talent Initiatives, Leadership Initiatives, Advocacy, Human Resources and Operations.  Through her leadership in Human Resources the chamber was recognized by several organizations for its human resources practices and won several awards as one of the best places to work, for its diversity efforts, for its workplace flexibility and as one of the cool places to work.  Over the years, she has been able to secure over 15 million dollars in grant funds to fund a number of chamber programs.  One of those programs was “Intern in Michigan”, a statewide website program that focuses on keeping talent in the region by retaining its talent via internships.  She also has experience working with chambers at the local, state and national levels, economic development organizations, educational institutions, workforce boards, civic organizations, political organizations, law enforcement agencies and community organizations.   

Thelma has also been involved in the political arena and was a member of several boards; Institute of Organizational Management for the U.S. Chamber of Commerce, American Red Cross Southeastern Michigan, Legal Aid and Defender Association, Alliance for safer, greater Detroit, SER Metro Detroit, Hispanic Business Alliance, Workforce Innovations in Economic Development (WIRED) and Intern in Michigan. 

Outside of work, Thelma is a big sports fan, enjoys bowling and being with family and friends. 

She is married to Len Frisch, a Detroit Fireman, has one son JJ Dominguez, who resides in Northville, MI.  Thelma and Len currently reside in Croswell.

Thelma is extremely excited to be working at the Blue Water Area Chamber.  She looks forward to working with new and familiar faces to further the chamber goals and be that voice in the business community.

Amy S. Lutz, Membership & Marketing Director,

Joined the Blue Water Area Chamber in January 2011. Her prior business experience including working for Sun Guard and Black River Golf Course.  Amy’s professional experience includes business development, marketing, office   administration, IT and nonprofit management. 

In September 2011, Amy graduated Cum Laude, Delta Mu Delta, from Walsh College with a Bachelors of Business Administration Accounting Processes degree.  Prior to that, she graduated Magna Cum Laude from St. Clair County Community College (SC4) with an Associate of Liberal Arts degree, majoring in business and accounting, and an Associate of Business degree.  A scholarship through the Community Foundation of St. Clair County helped to make this possible.  

Amy just completed her first year at Institute for Organization Management.  Institute for Organization Management is the professional development program of the U.S. Chamber of Commerce Foundation.  It is the premier nonprofit professional development program for chamber professionals, fostering individual growth through interactive learning and networking opportunities. 

She is a member of the U.S. Chamber of Commerce, Michigan Association of Chamber Professionals (MACP) and COMPASS Christian Business Alliance.  Amy has attended several MACP conferences and values the experience and knowledge she gained from meeting other chamber professionals.

Outside of work, Amy enjoys being involved with church and her son’s extracurricular activities.  She has been the director of, and assisted with the preparations and operations of, Vacation Bible School for a couple of years.  For a few years, Amy enjoyed being the Treasurer of Port Huron’s Cub Scout Pack 178.  In the Spring and Fall for many years, she delighted in being her son’s AYSO soccer coach. 

The Blue Water Area is dear to Amy, she was born and raised in Port Huron and she is excited to have the opportunity to help local businesses grow and prosper.

Danielle Warren, Membership & Marketing Administrator,

Joined the Blue Water Area Chamber in August 2012.  Her prior business experience including working for several local restaurant establishments and the local NAHL Port Huron Fighting Falcons Junior Hockey Team. 

Danielle’s professional experience includes nonprofit management, restaurant management, customer relations, all aspects of hockey operations and all facets of massage therapy.  Danielle is a 2004 graduate of Port Huron Northern High School.  Continuing her education, she graduated from the Health Enrichment Center Inc. in 2007 with the equivalency of a bachelor’s degree in massage therapy.

She is a member of the U.S. Chamber of Commerce and the Michigan Association of Chamber Professionals' (MACP).

As a staff member of the Blue Water Area Chamber, Danielle has had the opportunity to attend the Michigan Association of Chamber Professionals (MACP) conference.  Through this opportunity, she was given the chance to engage in professional development workshops, and learn the values of collaboration and partnerships to help benefit the Blue Water Area.

Outside of work, Danielle spends most of her time at the hockey arena; this is nothing new to her as she grew up with two brothers who play.  Her husband, Bill Warren, coaches, and keeping with family tradition their son, Cameron, has been playing the game since he was two.


Danielle is excited to be a part of the Blue Water Area, she enjoys working with people and the community she was raised in and looks forward to becoming more involved within the Blue Water Area as a young professional.                              




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