Dr TC Venugopalan celebrated his 70th birthday and his retirement at the same time at an event this week.
His colleagues gathered at the sub-basement offices HRI for a buffet and presented him with a Rotary watch.
Dr Da Falla, paid tribute to him, saying: " He is a very valued member of our organisation. During all the time he has been very enthusiastic about making a contribution and his thirst for knowledge and for the care of his patients has been exceptional. He always wants to deliver the best care for his patients."
Dr Venu, who has been at the Trust for 13 years said: " I have enjoyed every minute of my life here working especially with all the neuro teams. I have also enjoyed living and working in Huddersfield."