10 Delek US engineering leaders
VP Technical, Director of Process Controls Engineering and Director, Technical Process are among the roles held by these ten Delek US engineering leaders, alongside reliability, maintenance and capital projects leaders. A reader can learn how engineering leaders work at Delek US from people who have held the role.
Professionals to explore
Aaron Boucher
LinkedInExperience: Sr. Director, Maintenance Assurance · Delek US
Aaron Boucher has been Sr. Director, Maintenance Assurance at Delek US since June 2021, based in Big Spring, Texas. At Delek US, Aaron Boucher was Director, Reliability from 2020 to 2021, Reliability Manager from 2018 to 2020 and Reliability Engineering Superintendent in 2018, and the profile headline reads Sr. Director, Maintenance Reliability Turnaround.
Arvin Paul
LinkedInExperience: VP Technical · Delek US
Arvin Paul has been VP Technical at Delek US since January 2024, based in Brentwood, Tennessee, and the profile headline reads VP Refining Services. Arvin Paul was VP & General Manager at TotalEnergies from April to December 2023 and Senior Manager Operations there from 2021 to 2023, and was Operations Manager at Marathon Petroleum Corporation from 2019 to 2022 and Technical Services Manager there from 2018 to 2019.
Boris Borovikov
LinkedInExperience: Director Capital Projects · Delek US
Boris Borovikov has been Director Capital Projects at Delek US since July 2026 and the profile also lists Director Project Management at Delek US as current since May 2022. At Delek US, Boris Borovikov was also Director Business Optimization from 2021 to 2022, Lead Project Manager in 2020 and Senior Project Manager from 2019 to 2020.
Gerald Holmes
LinkedInExperience: Director Technical Process · Delek US
Gerald Holmes has been Director Technical Process at Delek US since August 2023, based in Tyler, Texas. Gerald Holmes was Engineering Supervisor at Marathon Petroleum Corporation from 2021 to 2023 and Lead Process Development Engineer there from 2018 to 2021, and was Sr Process Engineer at BP -Gulf of Mexico from 2016 to 2018.
Joe Schwarzbach
LinkedInExperience: Process Technology Director · Delek US
Joe Schwarzbach was Process Technology Director at Delek US from August 2024 to June 2026 and has been Lead Process Reliability Engineer at Marathon Petroleum Corporation since July 2026, based in Greater Houston. At Delek US, Joe Schwarzbach was also Program Manager- Enterprise Process Data from 2021 to 2024 and Alkylation Process Technology SME from 2020 to 2024.
Nancy Birkedahl
LinkedInExperience: VP Engineering and Capital Projects · Delek US
Nancy Birkedahl was VP Engineering and Capital Projects at Delek US from March 2018 to January 2020, based in Hemlock, New York, managing the enterprise-wide capital budget, including portfolio management, according to the profile. Nancy Birkedahl was Project Consultant at Chevron Phillips Chemical Company from 2013 to 2018 and Sr. Project Manager at SNC-Lavalin from 2012 to 2013, and the profile now lists retirement.
Sean Hulsey
LinkedInExperience: Director, Technical Process · Delek US
Sean Hulsey has been Director, Technical Process at Delek US since April 2022, based in Baton Rouge, Louisiana. Sean Hulsey was Tech Service Supervisor at Marathon Petroleum Corporation from 2019 to 2022 and Senior Process Engineer there from 2018 to 2019, and was Senior Process Engineer at Andeavor in 2018 and Process Engineer there from 2016 to 2018.
Shawn Elder
LinkedInExperience: Sr. Director Maintenance, Reliability & Turnarounds · Delek US
Shawn Elder has been Sr. Director Maintenance, Reliability & Turnarounds at Delek US since August 2021, based in Krotz Springs, Louisiana, and was Reliability Director at Delek US from 2017 to 2021. Shawn Elder was Maintenance Director at Alon USA from 2008 to 2017 and Staff Reliability Engineer at Valero from 2004 to 2007, and lists registration as a Professional Engineer in Louisiana.
Wes Hendrickson
LinkedInExperience: Senior Director of Maintenance, Reliability Engineering and Turnarounds · Delek US
Wes Hendrickson has been Senior Director of Maintenance, Reliability Engineering and Turnarounds at Delek US since September 2019, based in Vincentown, New Jersey, and the profile headline names the El Dorado Refinery. Wes Hendrickson was Lead Projects Manager, Maintenance & Turnarounds at Philadelphia Energy Solutions, LLC from 2015 to 2019 and Mechanical Reliability Manager there from 2011 to 2015.
Yangdong Pan
LinkedInExperience: Director of Process Controls Engineering · Delek US
Yangdong Pan has been Director of Process Controls Engineering at Delek US since March 2022, based in Greater St. Louis. Yangdong Pan was Advanced Process Control & Optimization Engineer at Phillips 66 from 2012 to 2022 and at ConocoPhillips from 2007 to 2012, and the profile describes control engineering leadership across a diverse set of manufacturing industries.
Choose the right perspective
Match the person's area, such as technical process at one refinery, process controls, reliability and turnarounds or capital projects, to the question you bring. Check when each person started the current role to judge how recent their view is.
Questions to take into the conversation
- 01What did you focus on first when you took on your current engineering role?
- 02How do you decide which refinery reliability projects get funded first?
- 03What has your own work taught you about moving a process change from engineering into daily refinery operations?
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About this directory
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