RoCA classes will not be held
Sat. April 12 - Sun. April 20
for Spring Recess

Teacher Bios

Teacher Bios

Don Bradford Professional Potter. Artist-in-residence in New Jersey schools with "Project Impact." Exhibitions: NJ State Museum, Morris Museum and others; BA in Art Education from Montclair State University. MA in Visual Arts from William Paterson University. Independent Studies include: Tuscarora Pottery School, The Aegean School of Fine Arts and Arrowmont School of Arts & Crafts.

Cory Brown, hailing from Northern Utah, received his BFA from Utah State University after maintaining a home studio for two years. Immediately following his education, he was fortunate to acquire a Studio Technician job working for Bard College at Simons Rock in Massachusetts. There he also taught ceramic classes to children and adults throughout the community. Prior to his Clay Art Center residency, he spent a year in the rolling hills of rural Virginia at the Cub Creek Foundation where he was inspired by the beautiful surroundings and use of the native clay. He is excited to be in New York currently, with its wealth of art and culture. Cory has always found the chemistry of life and ceramics intriguing, resulting in a fascination with atmospheric firing, glazes, and inlaying of metallic oxides. He explores the gestural qualities of clay while striving for excellence in form and function.

Jennifer Cherpock Professional Potter. She studied under widely-recognized potters Susan Beecher and Sara Peterson. She is a current artist member of the Clay Art Center in Port Chester, NY and a former children's outreach program educator. Her work has been included in group exhibitions at the M.T. Burton Gallery, the Bruce Museum, the Montclair Art Museum and numerous other fine art exhibitions throughout the Northeast.

John Creagh has worked as a designer and painter for over 20 years. He has studied at the prestigious Arts Students League in New York City and has a MFA from Lehman College of the City University of NY. John has taught at the Pelham Art Center, the Wallkill School and at the Westchester Art Workshop in Peekskill. A native of the Bronx and long-time resident of the Hudson Valley, John's paintings, including his urban works and his plein air pieces, have been influenced by the work of Edward Hopper. He incorporates his lifelong experiences in the visual arts into his classes and shares his unique vision and expertise with his students.

Sally Lipton Derringer was a book manuscript finalist for Fordham University's Poets Out Loud Prize and the New Issues Poetry Prize. She received honorable mention in Nimrod's Pablo Neruda Prize, was a runner-up for the Grolier Poetry Prize, a finalist for the Glimmer Train Poetry Open, an honorable mention in the poetry competition of the National Writers Union, a finalist for the Phyllis Smart Young Prize in Poetry, and a semifinalist for the Paumanok Poetry Award. Her poems have appeared in Poet Lore, The Los Angeles Review, Sentence, Bellevue Literary Review, The Prose-Poem Project, Memoir, SLAB, The Quarterly, The New York Quarterly, Tampa Review, and other journals and anthologies. She has an M.A. in Creative Writing from Antioch University and has taught in the English Department at SUNY Rockland.

Dan Dugan A former assistant to Professor Roger Hendricks at SUNY Purchase, he has been widely exhibited in the NY/NJ area and taught in Montreal, Canada, Cairns, Australia,and Eastchester, New York.

Karen Edelmann, painter, eceived her BFA from Virginia Commonwealth University, her Master of Fine Arts from Syracuse University, and today is Emerita Professor of Art at St. Thomas Aquinas College. Karen is a landscape artist who brings over two decades of college level art teaching to RoCA, plus insight gained from teaching and planning painting and drawing programs in the US, France and Italy with Artists Abroad and Afield, Inc. Students have regularly named her to Who's Who Among America's Teachers. Her work is in corporate and private collections in the US and Europe, and is shown in galleries from New York to the Gulf Coast. She is a member of New York Plein Air Painters, the National Arts Club and other art organizations in the Hudson River Valley. You can see Karen's work at

Daly Flanagan is currently the School Director at the Rockland Center for the Arts. She has over 15 years experience in art education and administration including positions as Director of the Craft Students League/YWCA and Coordinator of School and Family Programs at the American Craft Museum. She has a Masters of Science in Education and Administration with a visual arts focus from Bank Street College of Education and Parsons School of Design and a BFA in painting and printmaking from San Diego State University.

Jane Herold Full-time Potter. Produces wood fired functional stoneware at her Palisades studio. Apprenticed in England with Michael Cardew. Her work is in numerous collections and thousands of homes. Her ceramics have been featured in the New Yorker, Ceramics Monthly, Studio Potter, and Ceramics, Art and Perception. BA, Sarah Lawrence College.

Khader Humied was trained as an architect and has worked in NYC, Westchester and Rockland Counties during the last 12 years. He has taught himself woodworking skills and began the adventure of furniture making. His special interest is designing buildings that are green, sustainable, simple and effective. He has been teaching and inspiring children and young adults to build and create space for several years. He taught at Sarah Lawrence College, Pratt Institute and worked with the Hudson River Museum.

Alison Lee who left a successful career as a creative director in NYC to pursue her dream of inspiring other 'makers', is a pioneer in the world of online talk shows. People around the world are listening and have downloaded more than 750,000 CRAFTCAST™ episodes since the radio show's inception! CRAFTCAST™ now has LIVE online craft classes where students get to be live online with their favorite instructors in a 90 minute format, and learn new skills and experience being with their creative community without leaving home. There are also currently 100 different video classes to watch and learn from covering a variety of crafts and skills.

C.A. MacFinn Animator and Interaction Designer, received his BFA Summa Cum Laude from FIT's Computer Animation and Interactive Media program, and studied Life Sculpture and Figure Drawing under Barney Hodes and Peter Clapper at the Arts Students League. C.A. MacFinn introduced, developed and teaches 3D Computer Animation at SUNY RCC. Credits include character animation for three animated shorts, animation and programming on related mobile/tablet apps and an upcoming science app for CGMuse ( He has also done character animation and motion graphics for Means of Productions, NYC, Primaxus Executive Coaching and web design for many businesses. Other teaching assignments have been animation and computer programming education classes for Rye Arts Center, Pelham Arts Center, Cortland Croton Center for the Arts and libraries in Rockland and Westchester counties. He holds a BS with coursework concentrated in film/digital media and a Screenwriting Certificate from The New School University. His work can be seen at

Paula Madawick CPSA Artist. Apprentice to Jasper Johns and Robert Rauschenberg, studied at the School of Visual Arts, Cooper Union and SUNY where she received her BA. She has exhibited her colored pencil drawings at Castelli Gallery, Matthew Marks, The National Arts Club, Silvermine, Blue Hill Corp., and the Hopper House; is in the collection of Chase Manhattan Bank, NA, Rutgers University and the Bergen Museum. Madawick has received numerous awards and was an invitational instructor for the Color Pencil Society of America's National Convention. She was also the former Executive Director, Edward Hopper Art Center, Nyack, NY and former Gallery Director of Center Gallery, Demarest, NJ.

Stephanie Maddalena has a BA in Fine Arts, St. Thomas Aquinas College; also studied at Peter's Valley Craft Center, Brookfield Craft Center, Old Church Cultural Center, taught for Syracuse University and the Craft Students League; exhibits throughout the region; owns and operates Foxcroft Beads in Haverstraw, NY.

Colleen McGowan is a certified New York State Art Teacher (K-12) and has her bachelors degree in Visual Arts Education from SUNY New Paltz. Based out of Haverstraw, NY, she recently had a solo exhibition at the Arts Alliance of Haverstraw entitled "Animalia". Her specialty is drawing and painting. Her work centers around human and animal relationships in a quirky whimsical style. She is currently attending Lehman College in pursuit of her MFA. You can see her work at or her facebook page

Eleanor Miller Painter. She received the Best in Show Award from the Museum of Fine Arts in Springfield, MA. and the Anna Hyatt Huntington Bronze Medal from the National Arts Club in New York City. She has had numerous exhibits ranging from the Broome Street Gallery to the Fells Point Gallery in MD. She is currently represented by: Fieldstone Fine Art in Ramsey, NJ, Fredericks Galleries in Allenhurst, NJ, and Renaissance Gallery in Orangeburg, NY. Member of the Salmagundi Club, NYC. Her current faculty positions are: RoCA, Pelham Art Center and Saint Thomas Aquinas College (adjunct), NY.

Howard Nathenson has exhibited his work nationally and in exhibitions and art spaces/galleries in California, New York and New Jersey. His paintings were shown in The Whitney Annual, and the "Extraordinary Images" exhibition at the Whitney Museum. Among many one person shows and group shows, Mr. Nathenson exhibited drawings and paintings in the New Talent exhibition at the Holly Soloman Gallery and exhibited his landscape drawing vignettes as part of the "New Art" exhibition at Artist Space in New York City. In 1992 Mr. Nathenson had a one-person exhibition of still life photographs at The Morris Museum, Morristown NJ. He was awarded a New Jersey State Fellowship for the arts in photography in 1993. Mr. Nathenson graduated from the University of California, Berkeley, with an MFA in painting. Howard's teaching experience includes UC Berkeley, California State College at Los Angeles and the Visual Arts Cnter of New Jersey. He has also taught drawing, 2-D design, composition and photography at William Paterson University New Jersey, and art history at Kean College of New Jersey.

Brooke O’Neill is a certified art educator (K-12) whose teaching experience includes substitute teaching art in the Rockland County Public Schools and the Art Association of Oswego, NY. She has a Masters in Art Education and a Bachelors of Fine Arts from the State University College at Oswego, NY.

Barbara Pollitt Designer. Has won a Drama Desk Nomination for her design of Caucasian Chalk Circle and an Obie Award for her performance in Epidog. Her masks have been seen on Broadway in The Tempest and Jelly's Last Jam. She recently exhibited her masks at the Charter Oak Cultural Center in Hartford, CT. Her work was exhibited at Lincoln Center as well as other venues in New York City. She was an artist-in-residence for the past two years at Nyack High School and has also taught at Manhattanville College.

Diane Rosen studied at the Art Students League in New York City, and the École des Beaux-Arts in Paris after winning a French Government Fellowship for her pastel work. She has taught studio art privately and at Parsons School of Design, Birch Wathen School, and School for Pastels at the National Arts Club. Articles about her work have appeared in American Artist, The Pastel Journal, and Pure Color: The Best of Pastel. She has participated in many solo and group shows in the tri-state area, winning numerous awards including: CLWAC Award, 2010 PSA Annual Exhibition; First Place Mixed Media, 2008 Catharine Lorillard Wolfe Art Club; Gold Medal for Pastel, 2003 Allied Artists of America Annual. A Master Pastelist with the Pastel Society of America, she is known for sensitive portraits as well as dynamic figure compositions.

John Rosis Painter, has MFA from Hunter College New York, BFA, School of Visual Arts, New York. Teaching experience includes Westchester Community College, Art Students League and Rockland Center for the Arts. Exhibitions include Hopper House Art Center, Vermont Center for the Arts, Berkshire Art Museum, Holter Museum, Philadelphia Museum of Art, Paul Sharpe Gallery and Rockland Center for the Arts. Grants include the Pollock Krasner Foundation and the Helene Wurlitzer Foundation Residence Program. Work in public, private and corporate collections. John is represented by the Gerald Bland Gallery in New York City. Website:

Jill Santiago is an artist with a passion for teaching art to children of all ages. She works in a variety of media including ceramics, watercolor, and acrylic. She has been teaching art in Rockland for over seven years. She attained a BS in Art Education from SUNY New Paltz and is currently studying graphic design. She has taught in East Ramapo Schools, Deerkill Day Camp and currently teaches at The Arts Alliance of Haverstraw.

Jim Shaughnessy is a self taught potter making ceramic vessels and sculpture for more than a decade. He has studied with local, as well as nationally known clay artists. His work can be found in a number of galleries in the surrounding area. In 1999 and in 2001 his work was selected to serve as the Rockland County Executive Awards given to artists and supporters of the arts. In 2002, one of his pieces was used as an award given to Nobel laureate author Toni Morrison. In 2003, his work was featured in silent auctions to benefit the American Cancer Society and the Nuyoricans Poets Café. In 2004, the Human Rights Commission selected to use one of Jim's sculptures in their annual fundraiser event held at the Waldorf Astoria in NYC. Also in 2004, Jim's work was selected to serve as awards for Rockland County Congresswoman Sue Kelly and Nita Lowey, as well as for New York State Senator Hilary Rodham Clinton.

Jennifer Stein She has been working in clay since 1994, studying under various renowned potters and clay sculptors. She's been the president of the Potters' Guild of NJ since 2009 and has taught private lessons and classes at Wortendyke Studio in Midland Park, NJ, at the JCC in Washington Township, and Barnert Temple Preschool. She also led numerous workshops for the Potters' Guild of NJ.  Her work is represented in several galleries from Ithaca to Providence, from Guilford CT to Virginia. She is an artist member of Gallery 23 in Blairstown, NJ. Her current body of work is primarily wheel-thrown porcelain mid-fired in oxidation, with delicately sculpted bass-relief rims. Her pots have been exhibited at the Clifton Art Center, The Sally D. Francisco Gallery at Peter's Valley and The Clay Place at Standard, among others. She has a BA – Vassar College, MA Yale University. Her work can be seen at

Jonathan Trotta learned to draw and illustrate books starting at age 4 from the guidance of his father and successful illustrator, John Trotta.  In his teen years, he fell in love with the classical guitar and went to SUNY Purchase and received a BFA in  guitar and composition.  After college, he revisited his love of art and studied drawing and painting intensively with Harvey Dinnerstein, Ronald Sherr, and Steven Assael at the Art Students League of New York and researched and practiced the working techniques of the old masters, which included daily visits to the Metropolitan Museum of Art.  In this period, he won a merit scholarship and the school's top award, the Phyllis Mason Grant.  Since then, he has won many awards including Honorable Mention in The Artist's Magazine Art Competition and the Revington Arthur Award in the Art of the Northeast USA Exhibit.  His exhibitions include Audubon Artists Inc, the 62nd Annual Juried Exhibition at the Salmagundi Club, 54th Annual Art of the Northeast Exhibit at Silvermine Guild Galleries in New Canaan, CT, and the Cork Gallery at Lincoln Center in New York City.  His work has been published in 100 Ways to Paint People (International Artist Magazine), The Artist's Magazine, and LINEA: Journal of the Art Students League.  He now enjoys his life as a professional Renaissance man which includes teaching art and music, performing classical and flamenco guitar concerts, and doing drawing and painting portrait commissions, as well as still-life and landscape paintings.

Georgia Tenore as a professional potter has been working in clay and teaching for thirty eight years. She studied with several nationally known potters and apprenticed at Scargo Pottery on Cape Cod. She has taught at the Katonah Art Center, the Pelham Art Center, Katonah Museum and Chappaqua's Kipp Street School as well as in her own studio. She has been an associate artist and teacher at The Clay Art Center for the past fifteen years with students of all ages at all levels. Her work, mostly thrown, focuses on making pleasing, functional objects for everyday use and has been shown at numerous galleries and venues in the tri-state area.

Margery Theroux BA, New York University. Also studied: Montserrat College of Art, MA; NY Studio School; private study with Sam Feinstein, NYC. Former gallery committee member & curator at Hopper House, NY & Center Gallery at TASOC. Exhibited at various locations in the tri-state area & New England; included in private collections nationwide. Workshop presenter & art teacher for 20 years.

Colleen Vanderhoef started her career with an Associate's Degree in Graphic Arts from Rockland Community College. She then received her Bachelor's in Art Education, K-12 & Elementary Education, N-6 from Saint Thomas Aquinas College. In 1988, Colleen received her Master's in Art Administration with a concentration in museums, galleries & education from New York University (Paris & Venice). She currently has tenure teaching art full time at the East Ramapo School District in Spring Valley, NY. She was the co-chair to the Cultural Arts Committee & Environmental Club 2000-2011. She is also a Cultural Arts Teacher for a multi-age classroom at the Art Alliance of Haverstraw, Haverstraw, NY. Colleen has a variety of experience ranging from being Vice President of the Hopper House Art Center to many years teaching art to children as well as the Rockland Conservatory of Music's mural painting on the outside of their building. She has been a curator as well as owner/director of Colleen Greco Gallery, Inc. She won Artist of the Year in 2011 for her outstanding work in the community.

Robert Wagt is Dutch-born painter and illustrator who has worked in Berlin, Milan and Paris, and is currently in the USA working from Nyack, New York. As an illustration artist, Robert Wagt is widely acknowledged for his creativity and unique style. He has enjoyed an international reputation for almost 25 years. Marie Claire and Vanity were among the first international magazines that sparked his career during his first Paris stint in 1987-1988, after he emerged from his art studies. In Milan from 1988 to 1994, he became a regular contributor to Uomo Vogue and Vanity of the Condé Nast Media Group, among other magazines. He returned to Paris in 1994, where his client list grew to include industry giants such as Canon, Longchamp, Coca Cola, DHL, Ford, Ebay and Macy's, working with world's premier advertising agencies such as Publicis, J. Walter Thompson, Young & Rubicam and McCann Erikson. His work is featured in numerous art books and magazine interviews. Beyond the world of commerce, Robert Wagt is recognized for his contribution to the fine arts. Numerous solo and group exhibitions in the United States and Europe have shown his work since 1983. Robert Wagt is represented by New York-based Lindgren & Smith Inc., one of the four top artist-management agencies of the United States. He also works with Sigrid Freundorfer Fine Arts, a highly respected New York art dealer of 20th century paintings and sculptures.