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Lesson Lottery
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The PVDA Lesson Lottery program was piloted in 2015 by beloved Board member, Betty Thorpe, and was fashioned after the popular New England Dressage Association Flextime Program. It gives PVDA members who are Adult Amateurs and Jr/YRs a chance to lesson with one of ten elite instructors in our area.

The list of instructors who have agreed to participate and donate a lesson for this program is below with their biography. The proceeds from this program will go to support other PVDA educational opportunities.

If you are interested in entering the lottery, send in an application with your check(s). The cost to enter the Lottery for Adults is $50 per ticket and for JR/YR is $45. You can apply for up to three instructors and indicate your order of preference, as you can only win a lesson with ONE instructor. Send a separate check for each lesson you apply for made payable to PVDA. If you do not win in the lottery, your check(s) will be destroyed or returned to you.

The 2019 Lesson Lottery is closed and winners have been announced. We hope to see you again for the next lottery!

The lessons are to be taken at the trainer’s convenience, but within 12 months. It is up to the winner of the lottery to contact the instructor and set up a time, and it is up to the winner to travel to the instructor for the lesson. Please give these busy professionals plenty of leeway to fit you in to their schedule!

There are two ways you can apply for the Lesson Lottery Program:

1. Online and US Mail

Submit the form located at the bottom of this page.
After submitting the application, you must mail your check(s) payable to PVDA (and release form if not attached) to:

Mimi Mack
11910 Clayton Ct
Monrovia, MD 21770

2. US Mail Only
To send your application through the mail, simply print and mail your application, check(s) and release to Mimi at the address above. The downloadable application form and release is provided at the bottom of this page.


2019 Lesson Lottery Trainers

Christine Betz

Christine is a USDF Gold, Silver, and Bronze Medalist. Christine’s scores for these medals were achieved on her Bavarian Warmblood Catus, (1st though Grand Prix).

Christine learned to ride as a child in California where she had the opportunity to observe and learn the western and natural horsemanship techniques of Mexican horsemen or “vaqueros”. As a junior rider she also catch rode in all disciplines for local horseman. She learned to drive and long line from Susan Harding, a breeder of miniature horses. In Indiana she worked with her parents, breeding and training Arabian horses. While in college she served as head instructor and directed riding development at Red Cedar Center in Fort Wayne Indiana. In Indiana Christine received instruction from Monte Mendenhall. Monte was a great trainer of Arabian horses in Dressage and airs above ground, as well as the traditional breed divisions of Region 13. Monte’s instruction encouraged and inspired Christine and provided her with her first clients in the business. Additionally, Christine has attended clinics with George Morris during her hunter/ jumper training to develop her skills under the best eye in the business.

Upon moving to Maryland, Christine has trained and competed horses successfully in all the sport horse disciplines: hunters, jumpers, eventers and dressage. Also to her credit, Christine served as a Registered Instructor who aided rider and horse development for TRRC (the NARHA premier accredited facility in Howard Co. Maryland). Christine has a BA in Education from Indiana University and is a licensed educator for middle and high school. She taught special needs students in Baltimore, Maryland, as well as Middle and High school students in Indiana. Her experience as an instructor at all ages and levels gives her insight into how to work with each student in an individual manner.

Christine has trained three horses from training level though to Grand Prix. She loves working with horses and riders of all levels and areas of interest.

Christine has trained with Monte Mendenhall, Janna Dyer, Debbie McDonald, and currently trains with Heather Mason and Alfredo Hernandez.

Janna Dyer

Janna is a U.S. Dressage Federation Gold Medalist who has studied with Georg Heyser, Jessica Ransehausen and Robert Dover. She received a USET/Asmis grant to study at Dr. Reiner Klimke's stable with her horse. Having competed heavily and successfully on several different horses at CDI-W's at all FEI levels. Since returning from Germany, Janna has trained with her business partner and participated in clinics with Olympic Judges Stephen Clarke and Linda Zang as well as Chief rider of the Spanish Riding School Arthur Kottas. Her record includes many prestigious wins. Janna is an experienced and positive instructor, who enjoys teaching at all levels.

Jaralyn Gibson Finn

Jaralyn Gibson Finn is an FEI dressage trainer based in Poolesville, Maryland in the summer and Wellington, Florida in the winters. She has earned her USDF Gold, Silver and Bronze medals, the USDF Gold Bar for Musical Freestyles. She is a USDF ‘L’ judging graduate and is currently in the USEF “r” training program. Jaralyn is ranked on as a 5* trainer. Jaralyn’s training program centers around using the classical training scale to develop horses and riders of all levels to the best of their ability. She has helped many clients earn their USDF Medals.

Donna Gatchell

Donna Gatchell is a USDF Certified Instructor through Second Level and has been teaching for over 30 years. She began her career as an event rider and trainer and now focuses upon dressage. In 2013, she completed the USDF "L" Program and passed with Distinction. She is an active competitor and is currently competing through Intermediare 1. She is a multiple GAIG and BLM champion with various horses over the last several years. In 2007, she was the Fourth Level winner at Dressage at Devon with a score of 70%. She has received numerous year end awards.

Donna has also received multiple accolades for her work as an instructor. She has been named multiple times for Trainer Of The Year for the Virginia Dressage Association (VADA) as well as Trainer of the Year for VADA's Northern Virginia Chapter (VADA Nova). Her students have received year end awards at multiple levels from both VADA and VADA Nova over the past few years and she has had her students win and place at the USDF NATIONAL FINALS, the last 4 years.

Donna brings a wealth of knowledge to her teaching and is passionate about learning. She continues to augment her knowledge through regular participation in clinics. Notable trainers with whom she has worked with include Ulf Wiltfang, Bent Jensen, Conrad Schumacher, Jim Kofford and Linda Zang. Donna trains riders and horses from Introductory Level through FEI. She uses the USDF training scale as a foundation for helping horses and riders achieve their goals.

Hilary Moore Hebert

Hilary Moore Hebert is a USDF bronze, silver and gold medalist, and “L” education program graduate. She has served on the board of the PVDA and The Dressage Foundation. As the former senior editor of Dressage Today, Hebert worked on training articles with elite coaches and riders—providing her with a wealth of knowledge that she brings back to her students. She is the head trainer at Moore Hebert Dressage at Alsikkan Farm in Germantown, Maryland

Ulla Parker

Ulla Parker is a Danish Native and resides in Hurlock on the Eastern Shore of Maryland. She is a certified Master Bereiter and apprenticed under Master Bereiters Finn Greve and Henrik Gundersen.

She is a USDF Bronze and Silver Medalist and has trained with and worked for top trainers in both Europe and the States including World Equestrian Games competitor Mikala Gundersen and Olympian Lars Petersen. She has ridden in clinics with Lisa Wilcox, Michael Klimke, and Olympians Debbie McDonald and Steffen Peters.

Ulla has very successfully shown horses in the 4, 5, and 6 year old USEF National Young Horse Championship and has many championships at Dressage at Devon. She won the East Coast Selection Trials for 6 year olds in 2012 and qualified to go to the World Championship for Young Horses.

Ulla started her own training business in 2014, "Parker Dressage LLC", and it has been a huge success. Students from all over Maryland and Delaware are benefiting from Ulla's huge knowledge and experience in Classical Dressage. By being a Master Bereiter Ulla is one of a very few in the states to hold this degree. Only a few countries in Europe offer this degree and if approved it takes 6 years. It takes commitment, blood, sweat and tears to complete. Ulla graduated in 2006.

Ulla trains on a regular basis with Lars Petersen and she owns a 2016 gelding by Coeur d’Amour/ Rubinstein that she looks forward to put under saddle.

Besides from being very successful herself, Ulla's students are also very successful. Earning Silver and Bronze Medals, Regional Championships, BLM Championships and top 5 finish at National Championships.

Barbara Strawson

Barbara Strawson is a USDF Gold, Silver, and Bronze Medalist and also has her silver and gold freestyle bars. She has trained and competed horses from USDF Training Level through FEI Grand Prix. For three years Barbara trained in Germany with Nicole Uphoff, four-time Olympic Gold Medalist. Barbara was the assistant trainer at Hilltop Farm for over 10 years. She brings over 20 years of experience to her business, which she began in 2005.

Marija Trieschman-Dever

Marija, a native of Sweden, is a successful Grand Prix rider and trainer and a USDF Gold Medalist. She developed her skills with Gunner Ostergaard and Herbert Rehbein, and currently trains with Michael Barisone. Marija's most recent accomplishment is SWB Horse of the Year at the Grand Prix, on her own Count Cookie, an 11 y.o. SWB gelding.

Marija's expertise is developing adult amateur horse/rider combinations, many to medal status. As of 2018, Marija has had her hand developing over 25 bronze, silver and gold medalists. Marija brings her enthusiasm and gifts for teaching "feel" and "timing" to every student, from Intro Level to Grand Prix.

Felicitas von Neumann Cosel

Felicitas placed first in her native Germany when completing her “Reitlehrer” (federally certified instructor) certification. She also graduated with the highest score ever awarded up to that time. Felicitas has also served as a USDF examiner for the Instructor’s Certification Program here in the United States. Since 1984, Felicitas has managed First Choice Farm and trained many horses to Grand Prix level.

Angi Voss

Angi Voss is a freelance dressage instructor, ‘r’ Dressage Judge, and active competitor. She has earned her USDF Bronze and Silver Medals, and is a certified Jane Savoie Instructor. She has been fortunate to be in training programs with many classical trainers including Tom Poulin, Sharon and Grant Schneidman, Kathy Connelly and Betsy and Jessie Steiner. She currently trains with Barbara Strawson. Angi enjoys helping riders improve their test scores and has a special interest in teaching fix-a-test rides and clinics. She welcomes riders of all levels. When not riding, she enjoys time with her 5 year old son and husband. She can be reached at

The 2019 Lesson Lottery is closed. Thank you to all who participated! We hope to see you again for the next lottery!

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