The executive for the McMaster Science Society is split into two categories: Core Executives and Peripheral Executives.

​

The core executives are made up of those in elected positions. This consists of the President along with 6 Vice-Presidents and 5 Year Representatives. They are elected following a 3-day campaign in early February (excluding the 2 first year representatives).

​

The peripheral executives are made up of those in "hired" positions. After the core executives are elected, interviews are held for applicants of these positions. 

​

The term for any position ranges from May 1st to April 30th of the following year.