Greg Stefan Studios
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Greg Stefan Studios Stained Glass Company was established in 2004 by Stained Glass Artist Greg Stefan S. The Studio is a member of the SGAA - Stained Glass Association of America and the AGG - American Glass Guild and is a certified renovator with RRP certifications. The studio also offers workshops and classes and is proud to train and instruct the next generation of Stained Glass Craftspeople and Artisans.

First completing an eight-year apprenticeship where he mastered the many skills of the craft of classical restoring, repairing, designing and fabricating traditional stained glass windows. He served as a journeyman and project foreman for renowned stained glass companies: Willet Hauser Architectural, Femenella & Associates, Visionary Fusion Glass Works Philadelphia.
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1831 Chestnut St. Philadelphia, PA 19103 ROOST Rittenhouse is located in a historic turn-of-the-century building overlooking the edge of Rittenhouse Square, one of Philadelphia's original parks that was planned by William Penn during the 17th century.

St. Anthony Hall House, also known as the Delta Chapter House for the Fraternity of Delta Psi, is a historic fraternity house located in the University City neighborhood of Philadelphia, Pennsylvania.It is the Historic St. Anthony's Hall for the University of Pennsylvania. Restoration and repair of the windows and interior stained glass features of this property have been ongoing since 2017.
GSS began instruction of the traditional came, foil methods and vitreous glass painting techniques in Philadelphia more than a decade ago to ensure the survival of the stained glass tradition and to transfer the institutional knowledge of the classical Stained Glass method to the next generation of future craftspeople.
The Instructor will contact you via email, schedule your session and provide answers to any questions you have! The best way is via email, just send us an email message and we will reply with the next upcoming dates with openings! Also, you may call the studio with any questions! There is adequate parking in front of the studio.
Students will complete one project in the foil method that is about 8"x8". Students will be introduced to basic design, drafting, cutting, grinding, foiling, soldering, and finishing. Students will design their own projects with guidance of the instructor. Prerequisite: Attending the 3.5 hour workshop is recommended.
8 Week Spring Session will resume in early spring 2020 ~ 2/24/22 ~ We highly recommend registering to ensure you get a position in your desired class. See you in the studio! Info on Studio Pass> and other policies here. This class provides an opportunity for challenge, fellowship, and creativity. Students will complete one project.
Reviews (13)
Kelly Smith
Kelly Smith
Jan 11, 2022
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I hesitate to leave this review, but I think it’s important to share my experience. I took two classes here, and left both of them feeling crumby about myself. I wanted some help adapting a drawing I did into a piece, but that must have rubbed Greg the wrong way. He was super attentive to others in the class, but barely spoke to me except near the end of my project and mocked me for saying I was “creative”. I genuinely wanted to learn, so it was disappointing. Others in the class enjoyed it, though. Greg seems like a nice dude to others, but I sensed there was something about me that he didn’t
Marcella Freeland
Marcella Freeland
Nov 18, 2021
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From the moment we arrived at Greg Stefan Studios, we were greeted by an eager Greg to get ready and teach us his skills. We were instructed to fill out forms and pick out a design that we wanted to work on that was the perfect size and difficulty for someone who was starting to learn about stained glass. Greg instructed our small class from start to finish so that we were able to leave with a piece we we were proud of. He provided lots of encouragement and was always available for questions and additional help from cutting, grinding, foiling, and soldering. I would highly recommend taking the
Meaghan Bresnahan
Meaghan Bresnahan
Nov 16, 2021
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I attended a private lesson with Greg. He used the perfect amount of gentle instruction - he clearly communicated what I needed to do with the glass and why, and I always felt comfortable letting him know if I needed additional help or another explanation. He spent a ton of extra time with me and I went from not knowing anything about making stained glass to creating this beautiful piece with his help. He creates a warm, welcoming atmosphere in the studio and I’m already signed up for another workshop!
Elliot M.
Elliot M.
Oct 03, 2021
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Stained glass workshop. Fun afternoon learning how to do a stained glass project. Highly recommend.
David R.
David R.
Oct 02, 2021
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Wonderful class with a wonderful instructor. Can't wait to take my next class.

Greg was patient and encouraging, and we all ended the class with beautiful work. Thank you, Greg!
Shoshi Goldfus
Shoshi Goldfus
Jul 28, 2021
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My friends and I had such a great time at the 3.5 hour workshop. We couldn’t believe what we were able to make in such a short time without any experience! Would highly recommend!
Chrissy S.
Chrissy S.
Dec 04, 2019
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We did one of his 3.5 hr workshops and it was a fantastic way to spend the morning! Greg was great at instructing and explaining and had a great rapport with the class. Especially with the Groupon, couldn't beat the value either. I may just go back to his multi-session classes.
Kathie P.
Kathie P.
Jun 26, 2019
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Absolutely wonderful experience. greg has such a great
personality combined with world class skills and unending patience.
we had a great time and learned so much in 3 and 1/2 hours .
do yourself a favor and take his class .
Rachael M.
Rachael M.
Oct 08, 2018
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Took the 3 hour introduction class today and loved it! Greg was super friendly and a great teacher. My group and I really felt like we learned something and has so much fun doing it. We definitely plan on coming back for more classes. Thanks Greg!
Jessica S.
Jessica S.
Aug 08, 2016
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Making stained glass was a fun date day (~3.5 hours for ~$50). I went with a group of ~6 and Greg was very friendly and knowledgeable. He has music playing throughout.

He has ~10 designs to choose from (turtle, whale, lotus flower, sun, shamrock...). If you go once, you can bring your own design the next time.

He starts with some practice glass showing you the proper way to cut glass and break it with the proper tools. Then he lets you choose from the basic colors of the rainbow - ask if you don't see a color and he'll grab you some more from the back. You cut out pieces from
Frank M.
Frank M.
Sep 22, 2014
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My wife and I recently did the 3.5 hour stained glass workshop with Greg Stefan. I can say without any doubt that I will definitely be back here to do more stained glass work. The studio is in a pretty sketchy area, but Greg's shop is tucked away with plenty of parking right out front. The shop itself is clean and organized. I could tell right away that Greg was a really down to earth and nice guy. My sisters and their husbands were running late and he told me to text them and let them know it is not an issue and not to rush; he was very genuine about it too. The first thing we did was
Josh S.
Josh S.
May 26, 2014
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My wife went for the one day workshop offered by Greg Stefan Studios and this is her summary:
1) Great value. Even better if you luck out and buy the living social promotion before it ends.
2) Workshop was clean and organized (Neighborhood is so-so but plenty of parking right out front). Greg was very friendly, talented, and helpful.
3) You learn a lot, have fun, and leave with a small piece you cut, sanded, foiled, and soldered yourself!
4) Pieces he had displayed in the studio were gorgeous.
5) Small touches like offering bottled water and flexible workshop times made this a standout experience
Danielle S.
Danielle S.
Apr 17, 2014
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This was an amazing experience! My friend and I were able to create our very own suncatcher with beautiful stained glass... cut, sand, foil, sodder. Sounds easy? It's not... but it is a lot of fun! Greg was very friendly and knew everything about stained glass. I think I found a new hobby!