

Meet the Instructors

Cathleen Sullivan
Cathleen Sullivan is a mixed-media artist, educator, and founder of Treasure Coast Pottery in Port St. Lucie, Florida. Her artistic practice spans ceramics, printmaking, collage, painting, and mixed media, with a particular interest in surface development, layering, and visual storytelling.
Although Cathleen has been engaged in art throughout her life, it was clay that captured her attention in 2003. Ceramics provided a unique intersection of sculptural form, material exploration, and glaze chemistry. Following an immersive art and ceramics experience in Italy with the International Ceramics Arts Network in 2013, she returned to college in 2016 to pursue a Bachelor of Arts in Visual Art, graduating summa cum laude in 2020.
Since then, Cathleen has continued to expand her practice through extensive study in printmaking, encaustics, mixed media, contemporary painting, and art history. Workshops, mentorships, artist residencies, and professional development opportunities with leading artists throughout the United States and abroad continue to inform her evolving work and teaching philosophy.
In 2020, after relocating to Port St. Lucie, Cathleen recognized the need for greater access to community-based arts education. She founded Treasure Coast Pottery to create an inclusive space where artists of all experience levels could learn, create, and connect. What began as a pottery studio has since evolved into a multidisciplinary community arts center offering ceramics, painting, printmaking, mixed media, youth programming, and homeschool education. Cathleen is a Step Up for Students provider for both ceramics and painting instruction.
Beyond her studio practice, Cathleen is actively involved in arts advocacy and cultural development throughout the Treasure Coast. She serves as Secretary of the St. Lucie Cultural Alliance and participates in the Port St. Lucie Public Art Advisory Board, helping advance public art, arts education, and creative opportunities throughout the region.
Cathleen currently manages Treasure Coast Pottery while teaching alongside a team of talented instructors. Her favorite area of instruction remains surface decoration and the exploration of imagery across multiple artistic mediums.
To view Cathleen’s artwork and professional CV, visit SullieArt.com.


