In my opinion the biggest challenge is trying to get diverse interests to converge. For example, the interests of employees are often at odds with the interests of clients. When this succeeds, it gives me a tremendous kick. One good example of this is the instant payment of the salary after a shift has been worked for the employees.
In my spare time I like to cook. I really enjoy creating something and then eating it with friends or family. I also do boxing and I can regularly be found on my racing bike. I can really enjoy making bicycle trips through Europe with my friends.