Educated in the art of jewelry creation in Denmark, Finland, Germany, and Austria, Harold has been a practicing metalsmith for over 60 years while conducting 300 workshops in 23 countries in over 50 years. He is the author of several books including 'The Jeweler's Bench Reference'. His works are in private and public collections worldwide including: The Metropolitan Museum of Art in NYC; Victoria and Albert Museum in London, England; and The National Museum, Zurich, Switzerland. The Smithsonian has called Harold 'an American Treasure'.

His works can be seen on on his websites: https://www.haroldoconnor.com/ and https://klimt02.net/jewellers/harold-oconnor