Workshop Instructor Bios

Workshop Instructor Bios

Stained Glass


Jim M. Berberich is mostly known for his glass painting skills in figure painting and the use of enamels. Jim’s artistic representation of the female figure is easily recognized throughout the world. The methods he uses, have been intentionally chosen and simplified after years of practice and experimentation yielding the same end result. His self-taught experiences in restoration and painting on glass has allowed him to achieve a soft realistic face, with graduated tone and depth. Jim teaches he skills to multiple stained glass studios in the U.S. and abroad. He is also an Accredited Instructor at the SGAA (Stained Glass Association of America). His stained glass artworks can be found in Museums, Private Collections, Hospitals and Churches, around the country and abroad. The Art of Glass Painting – Keeping it Simple | July 17-21 | Register here.


A current PhD candidate at the University of York, England, Stephen Hartley earned his M.F.A. in Historic Preservation from Savannah College of Art and Design. He has participated in the restoration of more than thirty historic sites, winning awards from the Historic Savannah Foundation for his work. Steve has taught at SCAD and Armstrong Atlantic State University and lead the Historic Preservation and Restoration program at Savannah Technical College. He is internationally recognized for his work in the field and has served as a peer reviewer for the Association for Preservation Technology. Steve is also a member of the International College of Traditional Practitioners (ITCP), a branch of the Prince’s Trust for the Built Environment.Hartley is academically active, having presented at the International Association for the Study of Traditional Environments (IASTE) in Beirut Lebanon, International Trades Education Symposium (ITES) in Lincoln, England, as well as several conferences within the United Sates. He has also assisted in organizing major preservation conferences. In 2012 he was Workshop Chair for the Association for Preservation Technology’s International Conference in Charleston, South Carolina, where he led a post conference
workshop on stained glass restoration, as well as chairing a paper session.In 2013 Hartley won the Artisan Award from the American Institute of Architects, Savannah Chapter for his dedication to teaching and practicing historic preservation in Savannah and the low country. His professional affiliations include: National Trust for Historic Preservation, International Council for Monuments and Sites, Association for Preservation Technology, Preservation Trades Network, Timber Framer’s Guild of North America, Artist Blacksmith Association of North America, US Green Building Council, and American Glass Guild. Repair and Conservation of Historic Stained Glass | July 10-14 | Register here.


J. Kenneth Leap is primarily recognized for his achievements in the field of architectural stained glass. Working in a tradition that dates back to medieval Europe, Leap creates his pieces by hand-painting glass with vitreous pigments, fusing the color to the glass by firing it in a kiln, and assembling the glass into panels. His painterly work in stained glass has earned him numerous awards, including a fellowship from the New Jersey State Council on the Arts, a juror’s award of honor in the Philadelphia Museum of Art exhibition “Contemporary Philadelphia Artists,” and inclusion in the Corning New Glass Review. He is currently the stained glass Artist-in-Residence at Glencairn Museum and an adjunct professor at Bryn Athyn College. Traditional Glass Painting in the Munich Style | June 19-23 | Register here.

Stone Carving


As a master sculptor and carver with more than 20 years of experience, Jens Langlotz has worked with and mastered the major design building styles — from Romanesque, Gothic, and Renaissance to American Colonial and American Victorian. He graduated from Fachschule Fur Steintechnik in Munich. He has apprenticed under master sculptor Hans Kupe, one of Germany’s leading stone restorers, and under Al Walters, master craftsman in stone, metal, and wood. He serves as Head Stone Mason for both Bryn Athyn Cathedral and Glencairn Museum, and has also done work at many other sites, including the Philadelphia Museum of Art, Villanova University, Princeton University, Reading Terminal, and Philadelphia City Hall. Cathedral Stone Carving | June 19-23 and July 10-14 | Register here.


maeganMaegan Crowley owns and operates her own shop in Dolores, Colorado where she produces custom metalwork for residential, public and commercial sites. She also continues to develop her sculpture, fulfilling her need to create works of art that emphasize the detailed beauty of nature. Her work is in private collections and is exhibited nationally. She received a BFA from University of the Arts in metalsmithing and continued her education to earn her MFA from Cranbrook Academy of Art. Maegan has taught blacksmithing workshops at Haystack, Penland, Ox-Bow, Peters Valley School of Craft and the New England school of Metalwork. Her work can be seen in books such as “From Fire to Form” and “500 Vessels” and she has demonstrated at numerous regional blacksmithing conferences across the country. Volume and Form | July 17-21 | Register here.

lukeLuke DiBerardinis is a restoration contractor specializing in reproduction hardware.  He was born in an 18th century mill house and forged his first thumb latch in 7th grade metal shop. Blacksmithing has been his passion ever since. He has forged hardware for numerous different architects, contractors, museums, historic sites and private homeowners across the country.  Luke has studied with Michael McCarthy and Paul Spaulding from the Cooperstown farmers museum and has worked for years under master smith James Kieffer, house hardware specialist. Early American Wrought Iron Hardware | July 10-14 | Register here.

warrenholzmanWarren Holzman studied sculpture under Phoebe Adams at Kutztown University, where he received his BFA in 1994. He was awarded blacksmithing assistantships at Peters Valley Craft Center and Penland School of Crafts. He has also worked as an industrial fabricator, refining his metalworking skills and dedicating himself to his craft. In 2000, Warren opened the Iron Studio Ltd., a custom blacksmithing shop in Philadelphia known for its sophisticated craft. Warren was recently commissioned by the City of Philadelphia to build a piece of site-specific public art for Hawthorne Park in South Philadelphia. He has served as an adjunct sculpture and large metals teacher at Moore College of Art and Design. He also teaches forging at Bryn Athyn College and University of Pennsylvania. Steel Repousse: Painting with an Iron Palette | June 12-16 | Register here.

Glass Mosaics

carolbroadCarol Stirton-Broad holds a BFA from Temple University’s Tyler School of Art, and has also studied at Glasgow School of Art (Scotland), Orsoni (Venice, Italy), Scuola Arte del Mosaico (Ravenna, Italy), and the Chicago Mosaic School. Carol has taught ceramic and mosaic workshops at the Philadelphia Museum of Art, the Institute of Contemporary Art (Philadelphia), Fleisher Art Memorial (Philadelphia), Main Line Art Center (Haverford, PA), and Abington Art Center (Jenkintown, PA). Carol’s work has been exhibited at many locations, including The Magic Garden, The Clay Studio, Ariana Gallery (Royal Oak, MI), the Bath House Cultural Center (Dallas), Abington Art Center, Fleisher Art Memorial, Main Line Art Center, Philadelphia Art Alliance, and Tyler School of Art. Glass Mosaic | July 10-14 | Register here.