Triangle Fraternity South Dakota Mines

Triangle Fraternity South Dakota Mines Triangle Fraternity is a National Greek Organization committed to developing well balanced men in th

Triangle is proud to announce the initiation of our newest members. Congratulations, gentlemen, and welcome to the broth...
05/09/2026

Triangle is proud to announce the initiation of our newest members. Congratulations, gentlemen, and welcome to the brotherhood.

Next up is Duncan Pilling, a Civil Engineering major from Sheridan, Wyoming, who has been a dedicated member of the chap...
05/09/2026

Next up is Duncan Pilling, a Civil Engineering major from Sheridan, Wyoming, who has been a dedicated member of the chapter for the past 4.5 years.

Throughout his time in the house, Duncan served in several leadership roles including Chapter Conservator/Historian, Steward, Assistant Recycling Manager, Summer Business Manager (2x), and Assistant Steward. Outside of the chapter, he stayed involved as an ASCE member and Student Senator.

After graduation, Duncan will be heading to Fort Collins, Colorado to begin working with Corbel Engineering.

Outside of academics, Duncan enjoyed making memories with the brothers and spending time outdoors.

Favorite Memory: Camping trips with the pledge class
Advice: Make college memorable

We appreciate everything you’ve contributed to the brotherhood. Congrats Duncan, and best of luck in your next chapter!

A Computer Science major from Castle Rock, CO, Samuel Knowles has made a lasting impact on the chapter.Outside of school...
05/08/2026

A Computer Science major from Castle Rock, CO, Samuel Knowles has made a lasting impact on the chapter.

Outside of school, he enjoys the gym, riding dirt bikes, skiing, snowboarding, hiking, and spending time with the brothers, his girlfriend, and his family. Throughout his time in the house, he served as business manager, and was inducted into the Order of Omega. He was also an active member of the Baja club where he served as the drivetrain lead, and part of their senior design team.

Following graduation, Samuel plans to work remotely from Rapid City for Fondo Inc.

Favorite memory: Going to the gym with the brothers.
Advice for the younger guys: Take care of yourself and academics first, but make time to enjoy college while it lasts.

We’re grateful for everything you’ve brought to the brotherhood. Wishing you success in whatever comes next—congrats, Samuel!

Up next is Dade Gomez, a Mechanical Engineering major with a minor in Systems Engineering from Kersey, Colorado, who has...
05/07/2026

Up next is Dade Gomez, a Mechanical Engineering major with a minor in Systems Engineering from Kersey, Colorado, who has been a major leader in the chapter over the past three years.

During his time in the house, Dade served as President and Rush Chairman, helping lead and grow the chapter. Outside of Triangle, he stayed heavily involved through Greek Council as Treasurer, Presidents Leadership Academy, Order of Omega as Vice President, and Baja SAE as Brakes Subsystem Lead.

After graduation, Dade will begin working for Caterpillar as a Hydraulic Systems Design Engineer.

Outside of academics, Dade enjoys working out, playing poker, golfing, reading, and spending time with the brothers.

Favorite Memory: The road trip to Rose-Hulman for a chapter visit with brother Logan Hammer

Advice: Find a balance between school and life that keeps your grades strong while still allowing you to make memories with your brothers and friends

We appreciate everything you’ve contributed to the brotherhood. Congrats Dade, and best of luck in your next chapter!

Next up, Robert Erskin, a Biomedical Engineering major from Spearfish, South Dakota, who has been a valued member of the...
05/05/2026

Next up, Robert Erskin, a Biomedical Engineering major from Spearfish, South Dakota, who has been a valued member of the chapter over the past three years.

During his time in the house, Robert served in multiple roles including Assistant House Manager, Athletic, Scholastic, and Summer House, always contributing wherever needed. Outside the chapter, he stayed involved as Vice President of the National Society of Leadership and Success and a member of Order of Omega.

After graduation, Robert plans to continue his education by pursuing his Master’s degree at SDSMT.

Outside of academics, he enjoys hiking, skiing, going to the gym, gaming, playing outside die, and spending time with the brothers.

Favorite Memory: Living in the rookie room and the nights spent sitting around the fire talking

Advice: Get out of your room and spend time with your brothers

We appreciate everything you’ve contributed to the brotherhood. Congrats Robert, and best of luck in your next chapter!

A mechanical engineer from Winfred, SD, Paul Winker has been an integral part of the chapter.Outside of academics, he en...
05/04/2026

A mechanical engineer from Winfred, SD, Paul Winker has been an integral part of the chapter.

Outside of academics, he enjoys outdoor activities such as hunting, competitive shooting, fishing, hiking as well as motorsports, and just hanging out with the guys. During his time in the house, he served as Assistant House Manager, Assistant Initiation Chair, Athletic Manager x3, House Manager x2, Initiation Chairman, and Public Relations Officer x2. During his time at Triangle, Paul has played a critical role in the survival and continued success of the house. Some even claim he invented brotherhood itself.

Following graduation, he plans to move to the Sioux Falls area, get married, buy more motorcycles, and begin work at TAKKION as a Field Service Engineer.

Favorite memory: Taking a deal to get pepper sprayed for ~$30, but afterwards the brothers felt bad and gave me more money. Breaking Isaiah’s door was also a good time.

Words of wisdom:
1. Don’t get pepper sprayed.
2. Do not jump of 2x6’s in an attempt to break them
3. Use lots of gas/diesel to make the M burn, cover it all
4. Buy a motorcycle

We appreciate everything you’ve contributed to the brotherhood. Congratulations, Paul and best of luck in your next chapter!

Up next is Nathan Pfiefer, a Geological Engineering major from Urbana, Iowa, who’s been a strong presence in the chapter...
04/29/2026

Up next is Nathan Pfiefer, a Geological Engineering major from Urbana, Iowa, who’s been a strong presence in the chapter over the past four years.

Nathan has contributed to the house as Chapter Historian and Conservator (twice), while also staying involved in organizations like SPE, SME, and SEG.

After graduation, he’ll be heading to Billings, Montana to start his career as a Geotechnical Engineer.

Outside of academics, Nathan stays busy with just about everything—shooting, rock hounding, fishing, hiking, skiing, biking, swimming, flying RC planes, golf, gaming, pool, and even some beer golf on the side.

Favorite Memory: Living in the rookie room and going on chapter visits

Advice: Don’t forget the perks and potential of the chapter home

We appreciate everything you’ve brought to the brotherhood. Congrats Nathan, and best of luck in your next chapter!

Up next is Isaiah Kammerer, who’s been a key part of the chapter over the past four years.During his time in the house, ...
04/28/2026

Up next is Isaiah Kammerer, who’s been a key part of the chapter over the past four years.

During his time in the house, Isaiah served as Secretary and Assistant House Manager.

After graduation, he’ll be moving to Sioux Falls, South Dakota to begin his career as a Structural Engineer with POET.

Outside of school and the house, Isaiah enjoys shed hunting, fishing, basketball, poker, and spending time outdoors.

Favorite Memory: The “Great Rookie Cookie Heist of 2023” with fellow brother Nick Dill — if you know, you know

Advice: Stay on top of your studies, but also learn to manage your time so you can enjoy everything college has to offer

We appreciate everything you’ve contributed to the brotherhood. Congrats Isaiah, and best of luck in your next chapter!

Next Senior Spotlight it’s for Andrew Wipf, a Mining Engineering major from Harrisburg, South Dakota, who has contribute...
04/23/2026

Next Senior Spotlight it’s for Andrew Wipf, a Mining Engineering major from Harrisburg, South Dakota, who has contributed both in the house and beyond during his time here.

Andrew has taken on multiple roles in the house, serving as Assistant Recycling Manager and House Manager twice. Outside the chapter, he’s a member of the South Dakota Army National Guard, as well as being involved in SME and Order of Omega.

After graduation, Andrew will be heading to southeastern Idaho to work with Kiewit as a Field Engineer.

Outside of academics, he enjoys working out, hiking, fishing, and fixing anything from cars to projects around the house.

Favorite Memory: Hitting the gym with the brothers

We appreciate everything you’ve contributed to the brotherhood. Congrats Andrew, and best of luck in your next chapter

Triangle formal 2026
04/22/2026

Triangle formal 2026

Address

402 South Street
Rapid City, SD
57701

Opening Hours

9am - 5pm

Telephone

+16053480507

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