Complex sentence: In 1950, Dolan was appointed clerk of the Suffolk County division of the Supreme Judicial Court, a position he held until he resignation in 1964 to become Chief Executive Officer of the Guaranty Trust Company in Waltham, Massachusetts.
Split into simpler sentences: In 1950, Dolan was appointed clerk of the Suffolk County division of the Supreme Judicial Court, a position he held until his resignation in 1964. In 1964, Dolan was named Chief Executive Officer of the Guaranty Trust Company in Waltham, Massachusetts.