Complex sentence: A business coach can act as a mentor given that he or she has adequate expertise and experience although a good business coach need not have specific business expertise and experience in the same field as the person receiving the coaching, to provide good business coaching.
Split into simpler sentences: A business coach can act as a mentor given that he or she has adequate expertise and experience. A good business coach need not have specific business expertise and experience in the same field as the person receiving the coaching, in order to provide good business coaching.