Pi Tau Sigma is an international Mechanical Engineering honors society. Pi Tau Sigma was founded to foster high ideals in the engineering profession, to stimulate and coordinate departmental activities, and to promote the mutual professional welfare of its members. 


To foster soundness of character and moral conduct, serve the community and engineering profession, and to lead through example in a professional manner.

As an organization, we strive to expand and serve the university and local community while providing students tools and opportunities to achieve their educational and career goals.


The undergraduate membership requirements of PTS include a GPA above 3.25 and be within the top 25% of the junior or senior class. The graduate membership requirements of PTS include a GPA above 3.5 and be within the top 25% of graduate students. Sophomores are also invited to join this chapter as honorary affiliate with a requirements of a GPA above 3.5 and be within the top 15% of the sophomore class. All students must also participate in community service activities throughout the year. Initiations are every semester. Eligible students will receive notification of eligibility towards the middle of the semester.  See more information in the About PTS section.

PTS logo

Contact Information

1374 Campus Delivery
Colorado State University
Fort Collins, CO 80523-1374
United States

Current Officers

PresidentAlex Grauberger

Vice PresidentNoah Ivey

TreasurerAnna Mathews

SecretaryHannah Hindie

Community Outreach – Marcus Martinez

Advisor – Dr. Shantanu Jathar

If you’re not sure who to contact or have general questions, you can send an email to the general Pi Tau Sigma account: pitausigmacsu@gmail.com