Kenneth A. Johnson, a resident of Bedford Corners, N.Y., and Edgartown, died Dec. 20 after suffering a sudden cardiac arrest. He was 76 and had enjoyed an active life.

He was born in Manhattan to Edward and Rosalind Johnson on July 13, 1945. He grew up in Woodbury on Long Island, surrounded by dogs, cats and his beloved ducks. He graduated from Syosset High School, attended Cornell University on a Naval Reserves Officer Training Corps scholarship and continued to serve in the U.S. Naval Reserves until 1970. He graduated from the State University of New York at Albany with bachelor’s and master’s degrees in economics.

While at university, Ken met the love of his life, Cynthia Hinman. They were soon married and enjoyed 48 happy years together. They moved to Manhattan where they both enjoyed distinguished careers on Wall Street. After five years in Manhattan, they moved to Bedford Corners, where they raised their family. Ken was a loving husband and father, always there for his family with wisdom and kindness.

He began his career at Citibank in the economics department and for 10 years excelled as a senior research associate. He then spent 15 successful years at Merrill Lynch, starting in a leadership position with the economic sales team and rising to vice president of the electronic services, and then research systems, securities research and economics division.

His curiosity led him to expand into the growing field of financial technology and computer services and he accepted the position of senior vice president at Multex, an information services provider to institutional investors that was eventually integrated into Thomson Reuters.

He retired in 2011 after a distinguished career of 39 years. He was always most proud of the people he mentored and the friendships he cultivated over his career.

Ken and Cindy shared a passion for travel and new experiences. They traversed the country numerous times, always exploring national parks. They also enjoyed foreign travels. They experienced much together and always combined their travels with a love of history, nature, food and wine.

In 1986, Ken and Cindy took their family on a summer vacation to Martha’s Vineyard. It began their 35-year love affair with the Island. After spending summer vacations here, they purchased a home in Edgartown in 2008. They spent much of their retirement between their homes in New York and Martha’s Vineyard, always surrounded by friends and family. Ken, who was happiest when surrounded by nature, enjoyed the Island’s natural beauty. He cherished the new friends that he and Cindy met here.

He will be deeply missed by his family and friends.

He is survived by his son Kenneth Johnson of Manhattan; daughter, Samantha Frawley and her husband James Frawley of Mt. Kisco, N.Y.; and his beloved grandchildren Isabella and Cole Frawley.

A celebration of life will take place in Mt. Kisco, N.Y., in the spring.