Dondero Diamonds and Fine Jewelry prides itself on its friendly, well-trained sales force and support staff. The sales force takes part in ongoing training and educational programs, and all tenured sales people have AGS certification. This certification is the result of completing a course offered by the American Gem Society.  It is an intense and comprehensive course that assures professionalism and consistency in our sales force. Dondero’s is proud and fortunate to be associated with these members of our team.

Kevin Kleiner


Kevin started as a part time salesperson in 1983 and became part owner in 1988. He is a St. Augustine Prep and Bucknell University grad and has training from the GIA and Diamond Council of America.

Married to Miriam, Kevin is blessed with three children, two son-in laws, and four beautiful grandchildren. Outside of work, Kevin enjoys surfing, kayaking, and paddle boarding.

Kevin really values the people aspect of the jewelry business and treasures the relationships with co-workers and customers built over 33 years with Dondero’s.

Ken Dondero


Ken has been a part of the ownership of Dondero Diamonds since 1979. Ken shares, along with the rest of the staff at Dondero’s, that deep rooted commitment to customer service that has been the hallmark of the company since 1948. Ken is a 1975 graduate of St. Augustine Prep and a 1979 graduate of St. Joseph’s University and he holds a “Diamonds Certificate” from the Gemological Institute of America. Ken has been married to his wife Julie since 1981 and they have two sons, Jesse and Brian. In his spare time Ken enjoys spending time with friends and family, riding his Harley, skiing, hiking, golf, and rowing. He is also an avid fan of Philadelphia pro sports teams and the St. Joe Hawk Basketball team.

Mary Jablonski

Sales Manager

Mary and her husband Robert live in Vineland, and together have three amazing children. Mary likes to sail, and spend time with family and friends. She has been back in the family business since February 1984 and has studied with G.I.A. and has her A.G.S. certificate. She is proud that Dondero’s continues to operate on the same principles that Bud and Betty established over 60 years ago.


Laura Cline-Ney

Operations Manager

Laura has been a part of the Dondero organization since 1988. She took a full time position as operations Manager in March of 1999 after 18 years with Shop Rite in Vineland.

Laura lives in Vineland. She has three grown children and one granddaughter.

In Laura’s free time, she enjoys reading, traveling, skiing, yoga, spin class and many motorcycle trips with her husband Mike.

Julie Kleiner Dondero


Julie began working at Dondero’s in 1982. Married to Ken since 1981, they have two grown sons and live in Vineland. A graduate of Sacred Heart High School and Georgetown University, Julie loves to travel. She looks forward to family ski trips and motorcycle and hiking adventures with Ken each year. Closer to home, and depending on the season, you’ll find Julie indulging in her three passions –rowing, snowboarding, and yoga.

Susan D. Mesiano

Sales Associate and Certified Diamontologist, Diamond Council of America

Susan joined the Dondero staff in October of 2003, bringing with her an extensive background in sales as a National Sales Manager and as an independent sales rep. Her experience also includes advertising, packaging, commercial printing and cosmetics as well as modeling and teaching professional modeling.

Donna DeTullio

Sales Associate

Donna and her husband Rick live in Millville with their two dogs, Gracie and Lucy. Donna loves spending time with family and friends and especially her four grandchildren, Izabella, Valentina, Braydyn and Adriana. She loves the beach and making handmade cards.

Donna has a passion for jewelry and fashion which truly shows when working with her customers. She is proud to work for such a well-respected family business.

Heather Applebaum

Sales Associate

Heather joined the company in April 2014. Before working with Dondero’s, she was a manager at Friendly’s. Heather was married in October 2016. Heather and Craig have known each other since 5th grade and are both VHS alumni.

You may know Heather’s daughter, Emily DiPrimio. She had made a movie, Carver, a few shorts, a web series and won a film contest. Emily plans to make more movies and be a voice for young women. Emily also works at Donderos.

Julie Levari

Administrative Assistant

Julie was born and raised in the Vineland area and started working at Dondero’s in the fall of 2000 as a sales associate. She now works in the administrative end of the business in charge of custom and repair tracking, special orders and inventory management.

Leah Quay

Sales Associate

Leah is a full-time employee at Donderos. She enjoys spending her free time outdoors-kayaking, camping and fishing.

Ryan Steinbronn


Ryan started working for Dondero’s in 2013. He graduated Rowan University with a bachelors in TV/Film and it only took him 6 1/2 years.

Brittany Russo

Sales Associate

Brittany has been a part of the Dondero family since February 2012. She originally worked at our sister store, Liz Ryan, and was fortunately transferred to Dondero’s Jewelry in September 2012. Brittany is a graduate of the CCC RN Class of 2016 and is attending Rutgers University to achieve her Bachelor’s in Nursing. In her spare time, she enjoys spending time with family, friends, her fiance and her furbaby Tucker. Brittany feels that she is truly blessed to work with such an incredible group of people and to have such a passion for fine jewelry.

Michael Hindermyer

Sales Associate

Michael joined the “Dondero family” in September 2011.You will find Michael eager to assist you during our Saturday store hours. You may also recognize Michael as a tenured educator from the Vineland Public School system.

Marc Morton

Coming Soon

Nicholas C. Hyduk

Bench Jeweler and Designer

Nick has been affiliated with Dondero’s Jewelry since 1998. After leaving the company in 2002 to pursue interests in other areas, he rejoined the company in 2011 as the Bench Jeweler and Designer exclusively to Dondero’s.

Nick carries certifications from Jewelers of America as well as Platinum Gold international. He has received hands-on training from some of the industry’s leading professionals as well as countless hours of personal trial and error. His work has even been juried at a national level.

Nicholas enjoys many hobbies including various metal working and engraving projects, reading and spending as much time as he can outdoors, gardening and hiking.

Stop in and see him at Dondero’s to have the design you have dreamed of realized!



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Dondero Diamonds and Fine Jewelry is a full-service fine jewelry store specializing in engagement rings and wedding bands, loose diamonds, custom-made one-of- a-kind jewelry and engagement rings, diamond and gemstone jewelry, and jewelry repair. Dondero’s offers fine jewelry at the most affordable prices, and carries a huge selection of bracelets, necklaces, rings, and earrings, and watches by MOVADO and CITIZEN.

Since 1948, Dondero’s has been family owned and operated in Vineland, New Jersey. Owners Kevin Kleiner and Ken Dondero, along with their entire staff, share this philosophy:

“Everything we do is for the benefit of our customers and no job or sale is any more or less important than any other”. It is our commitment to this philosophy that has allowed us to grow over the years. Our customers expect us to “do it all”, and to do it better than anyone else. This is what we strive for every day we open our doors. This is who we are.”


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