Sean O'Brien Email & Phone Number

President and CEO @ Alliant Engineering, Inc.

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Sean O'Brien Location

Minneapolis, MN, US

Sean O'Brien Work

2026 - now President and CEO @ Alliant Engineering, Inc.
2025 - 2026 President @ Alliant Engineering, Inc.
2020 - 2025 Chief Financial Officer @ Alliant Engineering, Inc.

2003 - 2020 Senior Financial Analyst | Associate @ SEH
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2001 - 2003 Senior Auditor @ Boulay
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Sean O'Brien Education

Saint Cloud State University - G.R. Herberger College of Business
Master of Business Administration (MBA)
2012 - 2014
Gustavus Adolphus College
BA (Accounting)
1997 - 2001

Sean O'Brien Summary

Sean O'Brien, based in Minneapolis, MN, US, is currently a President and CEO at Alliant Engineering, Inc.. Sean O'Brien brings experience from previous roles at Alliant Engineering, Inc., SEH and Boulay. Sean O'Brien holds a 2012 - 2014 Master of Business Administration (MBA) @ Saint Cloud State University - G.R. Herberger College of Business. Sean O'Brien has 2 emails and 2 mobile phone numbers on RocketReach.

Sean O'Brien Emails

Found 2 emails

Sean O'Brien Phone Numbers

Found 4 phone numbers

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Top Alliant Engineering, Inc. Employees

Sean O'Brien

President and CEO at Alliant Engineering, Inc.

Minneapolis, MN, US
2
- gmail.com
- alliant-inc.com
4
- +1 651-587-XXXX
- +1 612-701-XXXX
- +1 619-582-XXXX
- +1 612-584-XXXX
Brett Burfeind

Vice President and Operations at Alliant Engineering, Inc.

Minneapolis, MN, US
1
- alliant-inc.com
3
- +1 612-767-XXXX
- +1 612-384-XXXX
- +1 612-384-XXXX
Curt Wimpée

Principal and VP Southeast Region at Alliant Engineering, Inc.

Jacksonville, FL, US
2
- alliant-inc.com
- gmail.com
5
- +1 904-647-XXXX
- +1 904-366-XXXX
- +1 952-912-XXXX
- +1 904-366-XXXX
- +1 904-366-XXXX
Mark Beach

Vice President Geomatics at Alliant Engineering, Inc.

New Port Richey, FL, US
4
- fldandp.com
- gmail.com
- hotmail.com
- alliant-inc.com
3
- +1 727-372-XXXX
- +1 727-267-XXXX
- +1 727-375-XXXX
Tom Jensen

Principal | Director of Alternative Delivery at Alliant Engineering, Inc.

Minneapolis, MN, US
1
- alliant-inc.com
2
- +1 651-503-XXXX
- +1 612-758-XXXX
Dan Sjoblom

Senior Professional Engineer (PE) at Alliant Engineering, Inc.

Minneapolis, MN, US
3
- gmail.com
- alliant-inc.com
- yahoo.com
3
- +1 952-334-XXXX
- +1 612-767-XXXX
- +1 952-646-XXXX
Angela Johannessen

Strategic Communications Partner at Alliant Engineering, Inc.

Minneapolis, MN, US
2
- alliant-inc.com
- gmail.com
5+
- +1 612-721-XXXX
- +1 203-470-XXXX
- +1 612-359-XXXX
- +1 937-760-XXXX
- +1 612-338-XXXX
- +1 612-338-XXXX
Marcus Depasquale

Project Manager, Professional Engineer at Alliant Engineering, Inc.

Jacksonville, FL, US
1
- alliant-inc.com
3
- +1 904-824-XXXX
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- +1 904-540-XXXX

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