Jonathan Kozycz is the knowledgeable owner and experienced designer at Jonathan K & Co. Fine Jewelry (Sacramento s premiere diamond jewelry and engagement ring specialist). Jonathan has a rich history in the jewelry business. As an adolescent, he began his journey at his family s jewelry store. He continued as a diamond salesperson turned entrepreneur when he opened and operated a thriving jewelry store in Folsom, CA for nine years. Jonathan Kozycz was the well-respected owner of Executive Jewelers. He then became the Director of Operations at Michael Greene & Co in Sacramento, which led him to where he is today. .