Alan was born in Wailuku, Maui, Hawaiʻi, in 1952 and graduated from Henry Perrine Baldwin High School on Maui in 1970, where he was heavily involved in student government as both Student Body President and Class President. He also participated in Key Club and Varsity Track. After school hours, Alan was actively involved in church and scouting activities.

Alan then left Maui to attend Coe College in Cedar Rapids, Iowa where he was on the Dean's List, was elected Student Body Treasurer and Student Senator, was a member of the Air Force R.O.T.C. program, played Varsity soccer, and was a member of the student­run KCOE-FM radio station. Prior to obtaining his Bachelor of Arts degree in economics in 1974, he traveled to Japan where he participated in the East Asian Studies Program at Waseda University in Tokyo. While in Japan, Alan taught English on a part­-time basis and participated in the Waseda University Aikido Club.

In 1974, Alan was commissioned as a Second Lieutenant in the U.S. Air Force as a strategic and tactical airlift navigator and rose to the rank of captain. He served primarily at Travis Air Force Base in Fairfield, California and at Yokota Air Base in Tokyo. His duties included Squadron Scheduling Officer, Instructor Navigator, and Squadron Liaison Officer with the Japanese public and media. As an aircrew member, Alan has flown extensively in the Pacific region, Southeast Asia, the Republic of the Philippines, Indonesia, Europe, and the Middle East.

Alan left the Air Force in 1980 to enter the William S. Richardson School of Law, University of Hawaiʻi. He served as an editor and staff member of the University of Hawaiʻi Law Review and was a Steering Committee Member of the International Conference on Humanitarian Law. He obtained his J.D. degree in 1983 and was admitted to practice in October of that year. Alan joined Pitluck & Kaulukukui after associating with Carlsmith Carlsmith Wichman & Case (now known as Carlsmith Ball) for two and one-half years, practicing in the areas of real estate and estate planning. After four years as an associate, Wayne Pitluck and Alan formed the partnership of Pitluck & Kido in April of 1989. Alan currently practices primarily in the areas of real property, business, alternate dispute resolution, estate planning, probate, and the preparation of real estate conveyancing documents. Alan has served as a director of the Hawaiʻi State Bar Association, President of the Hawaiʻi Institute for Continuing Legal Education, and is currently a member of the Hawaiʻi State Bar Association and the American Bar Association. 

Outside the practice of law, Alan enjoys cooking, gardening, music, pottery, volunteer work with local charities and non-profits, and promoting Japanese culture as the President and Director with the Kokusai Saké Kai (International Saké Association), sponsors of the U.S. National Saké Appraisal.  

Alan is married with one son.  His wife is senior counsel with the law firm of Cades Schutte in Honolulu.  His son is a graduate of Punahou School and the University of Redlands and has worked as a forensic accountant with a national accounting firm in Los Angeles.  He obtained his J.D degree in 2020 from the William S. Richardson School of Law, University of Hawaii, and is currently a litigation associate with Goodsill Anderson Quinn & Stifel, LLP.