2017 Judges

David Barboza - Female Halter, Production

David Barboza

50 Duck Creek Court
Valley Springs, CA 95252

phone (209) 772-3918



Huacaya Halter, Suri Halter, Fleece, Walking Fleece, Performance

David Barboza volunteering as a ring steward recognized the process and challenges that livestock judging presented and decided to attend the International Alpaca Judging School in 2001. After returning from Peru he began the AOA judges training program and completed his certification in both IAJS and AOA as a halter, fleece, and performance judge. He judged his first show in 2006 and has judged over 45 shows both in the US and Canada.

David served a 3 year term on the AOBA board serving as Secretary and President. Promoting youth involvement in alpacas he has been instrumental in developing alpaca youth judging contests throughout the US. To expand his knowledge of livestock, David is currently enrolled in Graduate Studies at Colorado State University. After serving 29 years in the fire service David continues to serve as a soldier in the California State Military Reserve and Mission Pilot in the Civil Air Patrol. He works in the alpaca industry dividing his time between his ranch, judging, and teaching seminars. In 2006, together with his wife Brenda, they started ACE, Alpaca Continuing Education, which provides cutting edge training and education for the alpaca breeder. Today David and Brenda run their ranch, RanchoNC Alpacas, in the foothills of Northern California and devote their attention to the alpaca industry.

Diana Timmerman - Male Halter, Production

Diana Timmerman

PO Box 336568
Greeley, CO 80633

phone (970) 590-9126




Huacaya Halter, Suri Halter, Fleece, Walking Fleece, Performance

Diana is an AOA Halter and Senior Fleece Judge and an Alpaca Judge Trainer and Instructor currently in the United States. Diana received her Certification as an International Alpaca Judge trained in Peru at the International Alpaca Judging School (IAJS ) in 2004. She has actively judged in Canada and the United States since 2001.

Diana has over 21 years of experience breeding and showing alpacas and their fleece, along with over 30 years of experience raising other breeds of livestock. Her love for alpacas and her commitment to fleece education was the inspiration that led to the purchase of The Alpaca Breeders Fiber School, LLC. Diana is also an alpaca industry consultant, educator, Fiber Sorter and Grader and working on her Wool Classer status

Diana currently serves on the AOA Judges Advisory Committee (JAC) , AOA Judge Training and Certification Committee (JTCC) as Liaison and has served on the Advisory Board for the Mid-America Alpaca Foundation, the Board of Directors of The Alpaca Breeders of the Rockies, is a faculty member and owner of the Alpaca Breeders Fiber School, LLC, and past leader of the Leading Llamas and Alpacas 4-H Club.

Diana was born in Germany where she lived until she was eight years of age. At that time she came to Colorado with her parents and brother and has remained there. She was employed as a paralegal in private practice and the District Attorney’s Office prior to acquiring alpacas. She has one son, Jeff and his wife Jenessa and a wonderful grandson, Alden Ray.

Along with her husband, Tim, they operate Aussie Acres Alpacas, LCC , successfully producing many of the world’s sought after grey and fawn Huacaya breeding stock. They have been honored to have exported their genetics worldwide.

Mary Miller - Fleece  

Mary Miller

433 Hulett Hills Dr
Sandpoint, ID 83864

phone 208-610-6778



Fleece, Walking Fleece, Performance

Mary, and her husband, Stan, established Aspen Alpaca Company in 2005 and have been very involved with the industry since their first days. Aspen Alpaca Company is home to 30 Huacaya alpacas.

Committed to the alpaca industry, Mary has served several terms as the president of the Northwest Alpaca Association, an association that covers 5 states. Mary has also been the show manager for the NW Alpaca Showcase for over 6 years.

Mary successfully completed the AOA Judge Training program in 2014 and received her certification in Huacaya and Suri halter, and performance. Currently, she is working toward her fleece certification.

Mary graduated from the University of Washington with her Bachelor’s Degree and has her Master’s Degree in Business from Pepperdine University. She has been working in the retail sector for the majority of her career and is currently VP of Marketing for a chain of 150 women’s clothing stores.