Whilst at University, Alistair sang in the chapel choir, rowed for...
Mr Digby, who was the host of daytime property shows including To Buy or Not to Buy, died at his home in east London on Monday.
Ambulance crews were unable to revive the 32-year old at the flat in Newnham at 7.45am.
A BBC spokesman paid tribute and said: "Kristian was a much-loved and talented presenter for BBC Daytime.
He brought a real sense of energy and warmth to all the shows he presented for us and will be sorely missed.
Our thoughts are with his family at this very difficult time." Mr Digby is the third BBC presenter to die unexpectedly in recent years.
It's part of our DNA - but there are levels at which normal fear responses become chronic and we live a life that is seamed through with constant worrying, planning, catastrophizing that is neither appropriate nor healthy.
This Mindsprings course in London is designed to explore this ubiquitous human experience.
Anxiety can be a horrible and debilitating presence in our lives - one we often avoid by turning to short-term solutions like alcohol, drugs, workaholism, unsuitable relationships, addictions.
Less dramatic experiences of anxiety can also be a less intense but constant comparison, so widespread in our lives that we barely notice the impact it has on our experience: deadening our joy, smothering adventurousness, making us wary and suspicious of others.
Alistair combines the Buddhist practice of mindfulness with a therapeutic awareness of the human underpinnings of anxiety, in a group workshop weekend that shines a light on the mechanisms of chronic or ambient anxiety and also offers some tools to work with it in the form of meditation and breathwork.
This course on offer is not being offered by Kagyu Samye Dzong London but by the course leaders personally.