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From Our President

Thanks for checking out the Sigma Phi Delta site! We are a fraternity ever so focused on strengthening both our brotherhood and professional ties. Many of the guys here, myself included, have become the greatest of friends over the course of our stay at Marquette- which I primarily attribute to the wholesome and welcoming environment of our Haggerty House, found on 16th and Kilbourn. We have a great mix of guys who love to play sports, videogames, bike, go fishing, get involved on campus with plenty of other clubs, and you name it! In addition to our extra-curricular stuff, almost every Sig Phi active gains co-op, internship, or research experience while at Marquette- which most of the time extends their stay in Milwaukee! By association with Sigma Phi Delta, you will surely have a future employer interested in what you do with your fraternity. 


In a typical semester, we are involved in intramurals, brotherhood events, service events,  philanthropy events, socials with other Greek Organizations, and an awesome formal at the end of the year. These activities have definitely kept me both involved and interested in the fraternity and strengthened the brotherhood between the actives and myself! Many of the brothers share the same classes too, which definitely improves our grades with plenty of collaboration among us. 

A little about me:

My name is AJ Agin and I am a senior from Lombard Illinois studying mechanical engineering.  When I'm not worrying about school, my time is spent playing basketball, hiking, and hanging out with my friends. This fraternity has provided me the opportunity to co-op at AO Smith, where I work in the materials department working on research and development projects. My favorite aspect of this fraternity is always having the house as a place to go to when you're bored.


I look forward to seeing you at our O-fest Table or events to talk more about Sigma Phi Delta!

AJ Agin

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Executive Board

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Pat Hynes

Vice President

Hi, I'm Pat Hynes and I am a senior studying mechanical engineering. I'm also the Vice President of Sigma Phi Delta for the 2022-2023 school year, and am responsible for organizing and promoting brotherhood within the fraternity. I joined the fraternity my freshman year and have been enjoying my time here ever since. I am also involved with Engineers Without Borders on campus. In my free time I like to run, bike, and play guitar. 

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Joey Kallal

Vice Chief Of New Members

Hello, my name is Joey Kallal, and I am the Vice Chief of New Members of Sigma Phi Delta.  I am a senior from Lindenhurst, Illinois, and I am studying Civil Engineering.  My time at Marquette consists of hanging out with my friends, playing intramural sports, going downtown with my roommates, working out, and lots of studying. This summer, I traveled with family, golfed, and interned for The Village of Gurnee’s Engineering Department.  My favorite part about Sigma Phi Delta is the life long friends that I have made.

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Tim Day


Hello, I’m Tim Day and I am a senior in mechanical engineering originally from Prospect Heights, Illinois. Along with being the Sigma Phi Delta Secretary, I am also the Vice President of Scholarship for the Interfraternity Council. I've spent 3 terms working a co-op at A.O. Smith in their materials department, getting experience testing prototypes and creating with my own designs. I am also involved in volunteering with Marquette Mardi Gras and Camp Kesem. Outside of work and school, I enjoy playing the drums, working out, going to the beach, and spending time with my friends and fraternity brothers.

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Mario Moreno

Business Manager

Hi! My name is Mario Moreno and I am a senior mechanical engineering major from Fond du Lac, Wisconsin. I’m the Business Manager of Sigma Phi Delta and I’m responsible for managing the fraternity’s budgets and finances. I have also served in the ASME Eboard and have participated in the Marquette Mentors program. Some of my hobbies include biking, lifting, and chilling with friends. This past summer I worked as a mechanical engineering intern at Konecranes in New Berlin getting experience designing crane structures and components for overhead cranes in nuclear power plants. My favorite part of SPD is the profound brotherhood and unlimited networking opportunities.


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