Dear …
It is with great pleasure and confidence that I recommend __(name)__ as a professional (accountant/lawyer/physician/dermatologist/dentist/etc). I have known __him/her__ for __(#)__ years through __(organization/graduate school/college/etc)__ and have found __(him/her)__ to be an exceptionally professional individual. My confidence in __(name’s)__ ability is such that I have trusted __(him/her)__ to take over the care of my __(client’s/patient’s)__ needs whenever I have gone on vacation over the past __(#)__ years.
I had the opportunity to work closely with __(first & name)__ for __(#)__ years at __(organization name/graduate school name/college name)__, where we worked together on several projects together. I have always admired __(name’s) __ professional judgment and trust __(him/her)__ implicitly with the care of my __(clients/patients)__.
Without a doubt, I would strongly recommend __(first name)__ to any professional organization. __(He/She)__ would be an asset to anyone’s team. __(He/She)__ is a very competent __( accountant/lawyer/physician/dermatologist/dentist/etc.)__ with __(#)__ of years experience behind __(him/her)__. I feel confident that any organization will find __(name)__ to be very knowledgeable and a pleasure to work with.
Sincerely,