Samantha Bowman from Tamworth bid £161 for a lesson with Oliver at his base in Ellesmere, Shropshire, which took place on Sunday 6 December.
Oliver won both Burghley and Badminton horse trials this year and was part of the British Eventing gold medal winning team at the European Championships in September.
He said: ‘We did a lot of work on the flat getting Samantha’s horse moving in the first part of the session and then we progressed to some jumping and working on her lines in the second half.’
Samantha rode her six-year-old mare Cardonagh Lass who has been competing successfully in British Show Jumping Association competitions and is hoping to take part in British Eventing competitions next year.
She said: “I was over the moon when I found out I was the successful bidder; it’s not often you get the chance to have one-on-one tuition with a British Eventing team European gold medalist!
“It was a fantastic opportunity and I really feel like I benefited from Oliver’s expertise.”
The BEF auction site was launched to raise £500,000 to send the British teams to the 2010 World Equestrian Games in Kentucky.
To see the lots still available, including a whisky tasting tour in the Hebrides or a Hydrohorse treatment week for your horse, go to http://auction.equestrianteamgbr.co.uk/