UPCOMING CLASSES:
- Glass Axis, Columbus, OH, November 12 & 13, 2016
- Milkweed Arts, Phoenix, AZ, January 13 - 16, 2017
- The Studios of Key West, FLA Two classes February 4 & 5, and 11 & 12, 2017
- Washington Glass School. DC. February 18 - 21, 2017
- Ed Hoy, Warrenville, Il  - Modern Glass Painting, February 23 - 25, 2017
                                       - Working in 3-D Glass, February 27 - March 1, 2017
- PRATT, Seattle WA, Early March 2017
- Arrowmont School, Gatlinburgh, TN May 21 - 27 2017
- Corning Museum of Glass, NY, 1 week class from August 7 -12, 2017
- Penland School of Crafts, NC, 2 week class August 13 - 25, 2017

All workshops include "How to Get Better Press for Artists",
and "Artist in Residence Programs" lectures.
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Joseph also offers individual classes out of his East Village (New York City) studio. He has had many professionals stop by to learn painting, using a crow-quill pen and silkscreening techniques, as well as 'Marketing' and 'Residencies' lectures. From 2 hours to 2 days. If you know exactly what skills you want and will be traveling to New York City just e-mail Joseph at cavaglass@gmail.com for details.

Joseph has also offered writing services for artists, as well as logo and marketing services.

For a list of past classes see below. 

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PAST CLASSES: 
- Arrowmont, TN (2014, 2017)
- Penland School of Crafts, NC (2011, 2017)
- PRATT, Seattle, WA (2013, 2014, 2015, 2016) (Two Annual Pratt Auctions)
- Pittsburgh Glass, (With a free marketing workshop) (2016)
- D&L Art Glass Supply, Denver (2016)
Delphi Glass, Lansing, MI, (2016) (see this Pinterest posting)
- Creative Glass in Zurich (2014 and 2016)
- Creative Glass in Kent, UK (2016)
- Anla Glas A/C, Silkeborg, Denmark (2016)
- Ed Hoy, Warrenville, Il (2016)
- The Studios of Key West, FL (2012, 2013, 2016)
- National College of Art and Design, Dublin, Ireland (2015)*
- Fire Station, Dublin, Ireland (2015)*
- Uroboros Glass Factory, Portland (WA) (2015, 2016)
- UrbanGlass, Brooklyn, New York (9 classes 2009-2016)
- The Washington Glass School (MD) (2015)
- Berlin Glas eV (2013, 2014) 
- Bild-Werk-Frauenau, Germany (2011, 2013)  
- Corning Museum of Glass, NY (2013)
- Sonoran Glass School, Tucson, AZ (2013) 
- Espace VERRE, Montréal, Québec (Oct 2012)  
- St. Lucas National High School for Applied Arts, Bulgaria (2012) 
- Brookfield Craft Center, CT (2012) 
- Red Deer College, Canada (2012) 
- Appalachian Center for Craft at Tennessee Tech University, TN (2012)  
- Visiting Artist Lecture and Class at the Sheridan Crafts and Design Program, Toronto (2011)
- Pablo von Lictenberg Art Farm, Tangenforf, Germany, (2011)
- North Lands Glass, Scotland (TA in 2007)
* Special thanks to Creative Glass and Spectrum Glass for their generous donation of supplies for these classes.