About IMM

For over 35 years, IMM has provided high-quality, high-touch service to all of our clients.

We build partnerships and come along side you to support your passion and vision through our expertise and experience.

We believe who you work with is one of the most important elements of what you do. We also believe that the service you receive and your experience working with us will be directly and positively impacted by who we are and what we value.

Our team operates with certain values at the core of all we do,
and we believe in collaboration, creativity and exceeding expectations.  

As experts in our field, we are here to create the blueprint for building on your vision, supporting your passions and expanding your impact.  You’re looking for a way to get there – we’re here to be your guide (or take the wheel).

Through a collaborative process, we begin with your objectives and jointly develop the right content for your organization, taking into account your unique audience, culture, history and strategic goals (and yes, even the budget).

Don’t Reinvent the Wheel.  Work Smarter, Not Harder.
Teamwork Makes the Dream Work.  I Wish I Had Another “ME!”

You’re laughing now, because you know it’s all true! But don’t worry, we’re laughing, too.  We think it’s important to be both professional and enjoyable to work with, so we value humor and we keep it real, always ready to work through that challenge, adapt and win the day.

And did we mentioN...?

We really love what we do!


In addition to our full time staff, IMM has an extensive network of seasoned professionals, specialists and partners we work with, so we can assemble the perfect team for your needs.

CATIE DUHON, CMP is President of International Meeting Managers, Inc. (IMM), an association, meetings, marketing and special events management company. The company was formed in 1986 by Lynne Tiras, CMP. Catie has been with IMM since 2009 and took on ownership in 2022. Houston born-and-raised, Catie’s creativity stems from her lifelong loves of dance and art. While earning her degree and planning campus events at Sam Houston State University (SHSU), she discovered her passion for organization, planning, leadership and event design. She has gained invaluable experience in the meetings, events and association management industries and has honed her skills as an event producer, strategic problem solver and leader. Catie has managed the operations, special programs and meetings for several associations and non-profit organizations, and has gained notable acclaim for her organization, event production and relationship-approach to working with clients and vendors. Catie feels blessed to use her strengths to help people and organizations in meaningful and impactful ways – this sentiment led her to launch the non-profit, Powers For Good, centered on professionals sharing their individual strengths and expertise to enable good through other individuals and organizations. Excitedly, she also co-hosts “So Many Places To Go,” a podcast for meeting and event professionals and enjoys filling the roles of MC and moderator for meetings and events. Catie serves on the Board for the Houston Society of Association Executives (HSAE), the Advisory Board of the Beta Academy in Houston, Texas and is a member of Meeting Professionals International (MPI). She is also active in her church, volunteers with various organizations, enjoys spending time outside with her pups, loves her friends and family including many nieces and nephews, and in her ‘spare’ time teaches dance to children and students.


AMANDA TENZER, MS is the Programs Director at IMM and has a degree in Hospitality Management from Texas Tech University, and a Masters in Nonprofit Management from the New School in New York. Following in her father’s footsteps in the hospitality industry, Amanda began her career in the catering department of a large hotel chain in Chicago. Hoping to make more of a difference, she moved to New York to pursue her Master’s degree. While pursuing her degree, she worked at a startup, ZocDoc as the Assistant Office Manager primarily working in an operations capacity and event planning. She also worked at two large nonprofit organizations, The Leukemia & Lymphoma Society and The United Way of New York City where she assisted planning corporate volunteer events and fundraising campaigns. After returning to Texas in 2015, she worked for three years as the Special Projects and Events Coordinator at the Barbara Bush Houston Literacy Foundation. At the Foundation she was responsible for social and service event coordination, membership management and event planning for their young professionals group, as well as event planning and coordination for their Annual Luncheon. Amanda has been with IMM for three years in membership and event management for multiple clients; she also managed the impressive TBHF scholarship program, serving as the liaison with participating universities, coordinating interviews, managing awards and working with the alumni membership program. She also serves as the Executive Director of IMM’s nonprofit organization, CMER, which specializes in continuing medical education. Amanda has two young boys and a great sense of adventure. And if you are lucky, you might get to sample some of her awesome baked Tenzer’s Treats!

ELIZABETH (LIZ) CAVAZOS is a skilled manager with a solid record of accomplishment in planning and executing events for clients and managing client accounts. Liz is adept at developing data-driven strategies to promote events and maximize reach. Additionally, she is accomplished in reaching revenue targets and increasing sponsorships for events and organizations based on their goals and objectives. Liz also brings a collaborative spirit of creativity and problem solving to the team, always ready to jump in, support and learn about what comes next. She is thoughtful in providing feedback and ideas for moving forwarding or improving on the next iteration of a meeting, event or program. Beyond her professional skills and accomplishments, Liz readily makes herself available to support clients or her team, and she is friendly and easy to work with. As a seasoned professional, her perspective and experience continue to enhance each project she is involved in. From San Antonio, Liz and her husband Brian now live south of Houston and enjoy time with their friends and family.

LYNNE K. TIRAS, CMP is the Founder and Chairwoman of IMM. Lynne served for seventeen years on the Board of the Greater Houston Convention and Visitors Bureau, and has served on various industry Meetings Advisory Boards and major industry Editorial Board publications. Currently, Lynne serves on the Associated Luxury Hotels Industry (ALHI) Advisory Council and the Advisory Board of the Beta Academy, Houston, Texas.  Lynne served as Executive Director for 29 years for the Texas Business Hall of Fame Foundation. In 2017, Lynne was named as one of the Top Influential Women by Smart Meetings Magazine in the Leadership Category and in 2019 named one of Connect Magazine’s 15 over 50 Association Leaders, Mentors and Stars, in their inaugural list. Lynne is Past President of the Houston Chapter of Meeting Professionals International (MPI) and was named Meeting Planner of the Year for 1988 -1989. Lynne served on the international level of MPI’s Advisory Council of Special Interest Groups for Independent Meeting Professionals from 1992 through 1998 and served as chair of that council for 1994 -1995. Lynne was one of the first in the hospitality industry to obtain the title of Certified Meeting Professional (CMP). Lynne has been a writer for industry publications and a speaker at both local and international Hospitality Industry meetings. Besides working professionally with her husband, Harvey Tiras, CPA, Lynne is most proud of her family including Harvey, daughter, Pam, son, Craig, five grandchildren and six great-grandchildren. 

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