Board of Directors

President

David Bleckman

J&R Lamb Studios, Midland Park, NJ
https://lambstudios.com/ (opens new window)

J & R Lamb Studios is the oldest continually operated stained glass studio in America. Founded in 1857, J & R Lamb Studios has been led by two families for over five generations. 

David Bleckman and his wife Kathryn Bleckman, continue the tradition of family ownership after the passing of David’s mother and artist, Donna Samick. David and Kathryn have been involved with the studio since 2000, and David has been working full-time at the studio as Chief Financial Officer, estimator, restoration craftsman, and artist since 2016. David also has his MBA in Finance and had a career in banking prior to supporting the family studio full time.

Vice President

Meggy Wilm

Colorado Glass Works, Boulder, CO

https://coglassworks.com/ (opens new window)

Meggy Wilm is a stained glass artist, educator, and entrepreneur whose work spans the full scope of the industry. As owner of Colorado Glass Works in Boulder, Colorado, she has built one of the most visible stained glass studios in the country, teaching classes, designing custom sheet glass, and completing commissions for clients worldwide. In 2025, she and her husband Dustin Mayfield acquired D&L Art Glass Supply, one of the field's most respected distributors, carrying forward more than 50 years of service to the art glass community. Meggy serves on the SGAA Board of Directors, bringing a practitioner's perspective that connects making, teaching, retail, and preservation into a coherent vision for the field's future.

Treasurer

Matthew Smith

Unified Vision Studios (opens new window), Rochester, NY

Matthew Smith is a professional leaded and art glass artist and founder of
Unified Vision Studios, established in 2013. Specializing in period-authentic
art glass rooted in the Arts and Crafts movement and Prairie School tradition,
Matthew works exclusively with historically accurate materials and
techniques to produce panels of exceptional craftsmanship and fidelity. His
technical mastery was hard-won: with no formal classes available and
period-appropriate tools requiring custom fabrication, he spent years
developing the precise methods that define his practice today.

Secretary 

Andrea Denning
Denning Stained Glass, Platte City, MO
https://denningstainedglass.com/ (opens new window)

Denning Stained Glass was founded by Andrea Denning almost 20 years ago. “I signed up for my first class and loved it, sparking a passion (and career) in stained glass.” Andrea secured a business license shortly thereafter and opened a stained glass shop under her home garage creating beautiful works of art for homes, businesses and churches. She began offering classes to military families on post at Fort Leavenworth, KS which she cites as one of the most rewarding projects of her career. In November 2018, Andrea opened the doors of Denning Stained Glass at 200 Branch Street in Platte City, just north of Kansas City, MO. At this location she is able to offer services including; repair, restoration, custom windows, classes and supplies. She is thrilled to help people enjoy art and provides daily studio access to aspiring artists as well as a full line of stained glass supplies.

Director

Ted Ellison

Theodore Ellison Designs, Oakland, CA

http://www.theodoreellison.com  (opens new window)

Theodore Ellison studied art and apprenticed in a glass studio before starting his leaded glass and mosaic business in 1998.  Honoring the artistic integrity of the Arts & Crafts tradition, he’s created original designs for homes all over the country. His work has appeared in Fine Homebuilding, Old House Interiors, Style 1900 and Old House Journal. He’s written on the history of glass for American Bungalow and presented on the history of mosaic at the National Arts & Crafts Conference in Asheville and the Pasadena Heritage Craftsman Weekend.

Director

Jason Wilburn

President and CEO of The Paul Wissmach Glass Company, Paden City, WV

https://wissmachglass.com/ (opens new window)

Jason Wilburn is the President and CEO of The Paul Wissmach Glass Company in Paden City, WV. Jason and his wife Annabelle Javier purchased Wissmach in 2021. The company, established in 1904 and continuously operated, in Paden City, West Virginia, manufactures glass for a beautiful and creative world. Wissmach colored sheet glass is available in a variety of textures and is used by artists, builders, and crafters who help make the world a beautiful and creative place.

Jason has a bachelor’s degree from the University of Michigan and a Master of Management and Manufacturing Degree from Pennsylvania State University. Jason has attended several executive education courses including topic areas of leadership, strategic planning, and negotiating.

Prior to acquiring Wissmach Glass Jason was President of FOERSTER Instruments, Inc., the North American subsidiary of the FOERSTER Group. FOERSTER develops and manufactures instruments and systems for non-destructive testing. In addition to his work with Wissmach Jason enjoys advising early-stage industrial companies. Jason is on the board of the West Virginia Manufacturers Association Education Fund and the West Virginia state Workforce Development Board. Outside of work, Jason primarily enjoys traveling with his wife and two sons, riding his skateboard and practicing yoga.

Director

Megan Chalifoux

Springfield, MO | https://meganchalifoux.com/ (opens new window)

Megan Chalifoux holds a B.A. from the Plan II Honors Program at The
University of Texas at Austin and a J.D. from Baylor Law School. She recently
retired from a 15-year long career as a litigator. Megan lives in Springfield,
Missouri, with her husband Jeff and their 10-year old daughter Celine. She is a
stained glass artist, having exhibited work at the Belger Crane Yard Gallery
and Monarch Glass Studio in Kansas City, Missouri. Being a part of the stained
glass community for the past seven years has brought Megan immense joy. As
in her professional life, Megan takes a thoughtful and adventurous approach
in her work and interactions with others. In her free time, Megan enjoys
traveling with her family, walking her dogs, gardening, and playing tennis.

Director

Daniella Peltz

New York, NY | https://daniellapeltz-stainedglass.com (opens new window)

Daniella Peltz is a stained glass conservator, consultant, and artisan with more
than twenty years of experience working with museums, cathedral studios,
and private studios in Europe and the United States. Her career has spanned
the full range of the discipline, from the fabrication of new installations to the
conservation of historic windows dating from the 12th through the 21st
centuries. She holds a Master of Arts in Stained Glass Conservation and
Heritage Management from the University of York (UK, 2012) and remains
active in the field through professional conferences, current literature, and an
extensive network of colleagues in the United States and abroad. Daniella
brings deep expertise in conservation ethics, historic preservation,
architectural context, and creative problem-solving to her board service.

Director

Jaclyn Miller

Assembly Glassworks, Arvada, CO

https://assemblyglassworks.com/ (opens new window)

Jaclyn Miller is a contemporary stained and fused glass artist living and
working in Arvada, CO whose works center around themes of memory and
nostalgia. Originally from Orlando, FL, she earned her BA in Art with a
concentration in Mixed Media in 2009 from Stetson University. Jaclyn's
passion in glass is seeking new ways to manipulate glass surfaces to
distinguish her visual language; over the years she has introduced painting,
etching and sandblasting, fusing and poured-mirror stenciling into her
compositions, often blending several of these processes in her finished works.
Jaclyn has served on the Stained Glass Quarterly Editorial Committee since
2023, and joined the D&L Art Glass Supply team as Education Coordinator in
2025.