Meet Our Staff

randy.jpgRandy Wolgemuth
Koser Jewelers Experience Since 1988
Industry Experience Since 1988
Position: Co-Owner, CEO



Gemological Institute of America, Diamonds Certificate
Past Chamber of Commerce President
Past Main Street Mount Joy President
Past Rotary President
Enjoys great meals, tennis, and make sure you ask him about his recent hiking trips with his boys.
Years ago it was said "In Randyland its always sunny and 80 degrees." Thats what we love about Randy!


Betsy Wolgemuth
Koser Jewelers Experience Since 1988
Industry Experience Since 1986
Position: Co-Owner, Gemologist



Graduate Gemologist, Gemological Institute of America
Master Graduate Gemologist, Independent Jewelers Organization
DeBeers National Award Winner
Featured in Thru The Loupe
Jewelers of America Scholarship Winner
National Board of Directors, Independent Jewelers Organization 3 terms
Regional Spokesperson Jewelers of America
National Board of Directors, Jewelers of America
Betsy enjoys great food, reading, and competitive tennis with good friends. Her favorite thing on the planet is to travel with her family.


Jill Brenner
Koser Jewelers Experience Since 1994
Industry Experience Since 1994
Position: Buyer, Inventory and Office Manager



Diamonds Certificate, Gemological Institute of America
Appraiser Certificate Jewelers Vigilance Committee
Jill loves her sons baseball games, enjoys photography and home improvement projects.
She may be the most organized person you will ever meet.


Josh Fetterolf
Koser Jewelers Experience Since 2011
Industry Experience Since 2006
Position: Director of Marketing and Sales



Gemological Institute of America, Accredited Jewelry Professional,
Diamond Grading
Bachelors of Art in Bible Ministries, Lancaster Bible College
American Gem Society, Registered Jeweler
Diamond Council of America, Diamond Certificate
Enjoys time with his wife working on his new home.

beth.jpgBeth deVitry
Koser Jewelers Experience Since 1996
Industry Experience Since 1986
Position: Head Goldsmith and Designer, Bench Manager



Bachelor of Fine Arts degree, Maryland Institute, College of Art, Baltimore MD
Apprenticeship with German trained Master Goldsmith
Advanced Stone Setting course, New Approach School, Virginia Beach
JA Certified Bench Technician
JA Certified Bench Jeweler
Jurors Special Recognition Award, Washington Guild of Goldsmiths, Washington DC
Loves ethnic cuisine, reading a good book, and spending time cooking with her family.

Koser Jewelers Experience Since 1989
Industry Experience Since 1983
Position: Sales Associate



Jewelers of America Sales Certification
Ask LaRue about her grand daughter, Faith! She is an incredible grandma!
She also enjoys camping and card games, and time with Mitch and their good friends.


Koser Jewelers Experience Since 2004
Industry Experience Since 2004
Position: Sales Associate



Jewelers of America Sales Certification
Teri loves being with her family, especially at the beach. She likes to travel….anywhere.



Koser Jewelers Experience Since 2008
Industry Experience Since 2008
Position: Sales Associate



Bachelors of Arts in Communications, Temple University
Diamond Council of America, Diamond Certificate
Suzanne loves fall, but hates the winter. She loves the bustle of the city. She and her family don't get enough of the beach.