Our People

It takes extraordinary people to make extraordinary wines. Allow us to introduce you to the people who pour their passion into every glass of Dark Horse Estate wine.


John Rasenberg

John Rasenberg

Co-Founder

info@darkhorseestatewinery.com
A successful entrepreneur, educational advocate, community coach, family man and wine aficionado, John built his company, J.M.R. Electric Ltd. Into one of Ontario’s largest electrical and mechanical contracting businesses through dedication and hard work. John is delighted to pursue a new family venture in winemaking.


Sue Ann Rasenberg

Sue Ann Rasenberg

Design & Co-Founder

info@darkhorseestatewinery.com
For every successful entrepreneur, there is a strong backbone that binds business to family this is Sue Ann. Sue Ann started her career with John in their fledgling business. As their contracting business flourished, Sue Ann earned a diploma in Interior Design, and later opened a floral and design business, where she made a name for herself designing homes, corporate events, and weddings. Her inspiration within this business venture has led her to head the design team at Dark Horse Estate Winery.


Ashley Horlor

Ashley Horlor

Vice President of Operations

ashleyh@darkhorseestatewinery.com
Ashley brings enviable knowledge from the vineyard to production with a background in Biotechnology and Health & Safety. She interned at Agriculture and Agri-Food Canada’s Southern Crop Protection Agency under Dr. Lining Tian and completed the Winemaking Certificate Program at Niagara College.


Image of Craig

Craig Horlor

Vineyard and Facility Manager

craigh@darkhorseestatewinery.com
An Ottawa native, Craig over the years after meeting his wife Ashley, began a new journey in the field of construction, this journey eventually led him to a teaching position at Fanshawe College. In his spare time, Craig enjoys the fruit and labour of farming. His passion & dedication steered him to pursue a versatile position at Dark Horse Estate Winery where his extensive skill sets and knowledge are utilized.


Fred Di Profio

Fred Di Profio

Winemaker/Viticulture Consultant

Hailing from three generations of winemakers – from the vineyards of Italy to the rich soils of the Niagara Peninsula – Fred is an energetic and passionate winemaker. With over 13 years’ experience, he holds an Economics degree from the University of Toronto and an honours degree in Oenology and Viticulture from Brock University.


Marc Pistor

Marc Pistor

Winemaker

Marc has taken his passion for winemaking from the classroom to the vineyard. He holds a Bachelor of Education from Nipissing University and an honours degree in Oenology and Viticulture from Brock University, and has worked at some of the most successful wineries in the Niagara Region.