• Robert B. Olivier, PE

    Robert B. Olivier, PE

    President & CEO, Leadership Team Chair
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    Robert B. Olivier, PE

    President & CEO, Leadership Team Chair

    Why I Work at Sigma I wanted to belong to a company that focused on its people and its product, not just the bottom line.

    Creative Thinking Sigma has always had an atmosphere that promoted creative and innovative critical thinking.

    The Sigma Culture We have a tremendous passion for our people and our relentless pursuit of solutions for our clients.

    Teamwork We've created an environment that not only allows input from every employee, but actually embraces it.

  • Daniel Kais, PE

    Daniel Kais, PE

    President Emeritus, Civil/Structural Optimization Specialist
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    Daniel Kais, PE

    President Emeritus, Civil/Structural Optimization Specialist

    LSU Graduate BS Civil Engineering 1990, LSU. Civil Engineering PE in LA since 1997, and also registered in AL, TX, OK, MS.

    Hobbies I enjoy working on home building projects, cooking, fishing, hunting, and golf (even though I'm not very good)!

    Camp@GrandIsle It was fulfilling to design an innovative structural system to withstand hurricane force winds but practical enough to run myself.

  • D. Todd  Drummond, PE

    D. Todd Drummond, PE

    Vice President and Sr. Project Manager
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    D. Todd Drummond, PE

    Vice President and Sr. Project Manager

    Sigma History LSU ME 1994, Mechanical Engineer/Project Manager/Vice President Sigma Engineers and Constructors 1995-present

    Most Interesting Project CF Industries' De-mineralized Water project. It was successful for both CF and Sigma.

    Why I love Sigma We strive to bring out the best in our employees and to produce a quality product for our clients.

    Hobbies Hunting, Fishing, and Golf!

  • Chris Kafkallides, PE

    Chris Kafkallides, PE

    Vice President and Electrical/Instrumentation Department Manager
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    Chris Kafkallides, PE

    Vice President and Electrical/Instrumentation Department Manager

    Sigma Family Sigma has a family atmosphere, which makes people feel a sense of ownership and responsibility for the success of the company.

    Work Motto "If you love what you do, you never have to work!"

    Education and Experience Graduated LSU with BSEE. Professional Electrical Engineer (PE) in 1996.

    Soccer!!! In my free time I enjoy traveling and coaching my son's team in area tournaments.

  • Chris Foster

    Chris Foster

    Vice President and Project Director, Leadership Team Member
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    Chris Foster

    Vice President and Project Director, Leadership Team Member

    Chris's Background Chris has been working as a designer since 1989.

    Most interesting project Relocating an entire plant across the ocean. Disassemble, demolish, ship, erect... VOILA!

    Chris's Hobbies Spending quality time with family and friends.

    A Personal Note from Chris "Whatever task you take on in life; always provide maximum effort."

  • Craig  Giroir, PE

    Craig Giroir, PE

    Civil/Structural Department Manager
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    Craig Giroir, PE

    Civil/Structural Department Manager

    Efficiency and Quality Sigma’s family-like atmosphere helps our teams complete projects with the highest level of efficiency and quality.

    Most Interesting Project The most interesting project that I have worked on was a Blast Protection Retrofit of a plant control room.

    LSU Graduate Graduated in 2006 from LSU with a B.S. in Civil Engineering. Earned his PE License in 2011.

    Personal Note Has out-fished Danny Kais many times.

  • Adrian Jackson

    Adrian Jackson

    Piping Manager
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    Adrian Jackson

    Piping Manager

    Background My career started as a result of being an artist from a very young age. Once I finished high school I attend LSU at night taking Engineering graphs courses and upon completing these courses I started my piping career on-site at Exxon walking down and noting all steam leaks. I’m happy to say that I’m going on 44 years piping design in the Baton Rouge area.

    Why I Love Working at Sigma Without question, it’s how they treat their employees, and now seeing why this company was voted Best Engineering Firm to Work 2016.

    Hobbies My parents owned a Texaco service station, and I grew up there from a young age and had the great fortune of having some very nice muscle cars in my high school days, which lead me into my main hobby to this day. Building Hot Rods, and at one point I had a full time hot rod shop (chop tops, custom body work metal or fiberglass, paint designs and paint) along with my full time main job. I’m also a caricature, wildlife, and hot rod artist.

  • Scott Plauche

    Scott Plauche, I.T. Director

    I.T. Director, Leadership Team Member
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    Scott Plauche

    I.T. Director, Leadership Team Member

    Background 24 years of IT experience.

    Why I Love Working at Sigma I enjoy being at Sigma (I don’t really consider it work) because nowhere else has ever felt more like family.  Most companies say it.  Sigma means it.

    My Most Memorable Sigma Project It wasn’t a project.  Being part of the Sigma flood response team.  Watching and being a part of the way that the Sigma family banded together to help each other in the Great Flood of 2016!

    Hobbies My hobbies include Scuba Diving, hunting, cooking, and spending time with my family

  • Ryan Hill, PE

    Ryan Hill, PE

    Mechanical Department Manger, Sr. Mechanical Engineer, Leadership Team Member
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    Ryan Hill, PE

    Mechanical Department Manger, Sr. Mechanical Engineer, Leadership Team Member

    Background Graduated from Louisiana State University in May 2009 with a Bachelor degree in Mechanical Engineering.  Became a licensed Professional Engineer in June 2013.

    Why I Love Working at Sigma Relaxed atmosphere with a family type environment. Flexible schedule. Shared workload, i.e. everyone pulls their own weight and is willing to help one another.

    Most Memorable Project Every project presents its own challenges, making every one memorable.  If I had to choose one, Engineering the high pressure, high temperature piping and supports for the installation of a new Converter at the CF, Port Neal, IA facility.

    Hobbies Spending quality time with my wife and daughters. Anything sports and workout related. Reading books on various subjects.

  • Michele West

    Michele West

    Director of Procurement
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    Michele West

    Director of Procurement

    Background Michele has 27 years of experience providing Procurement and Material Management Services for local engineering firms within the Baton Rouge area. She's worked with numerous clients in the Gulf Coast Region, with experience in implementation of procurement work processes, procedures, and best practices. Michele manages up to a 12 person procurement staff.

    Last 10 years - procurement services ranging $10MM - $100MM annually

    Why I Love Working at Sigma #1 No Corporate Management!

    It has a friendly and professional work environment but yet still has that family atmosphere that allows employees to love their jobs and make them want to come to work every day.

    Hobbies Couponing / Shopping for bargains! You call it Shopping – I call it Retail Therapy! When the going gets tough, the tough go shopping!

    I also have a passion for decorating and event planning.

  • Kristin McCants

    Kristin McCants

    Document Control Manager
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    Kristin McCants

    Document Control Manager

    Background I graduated from Southeastern Louisiana University in May 2006. Right after graduation I worked for a contracting Company out at Marathon Petroleum for three years, in the document library. In October of 2009 I started working for Sigma doing documentation.

    Why I Love Working at Sigma One of the reasons I like working for Sigma is that you don't have to dress up for work. It's a nice feeling coming into work just being comfortable, wearing jeans and sneakers. 

    Most Memorable Project Most memorable project I worked on was Dynamic Fuels. This was my first project as the sole document controller. This project pushed me out of my comfort zone. 

    Hobbies and Fun Facts My hobbies are traveling, going to the movies, sporting events and photography.Also, the company wishes me Happy Birthday every day. It's not annoying at all! 

  • Jenee Olivier

    Jenee Olivier, HR / Safety Director

    HR/ Safety Director, Leadership Team Member
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    Jenee Olivier

    HR/ Safety Director, Leadership Team Member

    Background I received my undergraduate degree from LSU with a B.S. in Marketing, and I received my MBA from Southeastern.  I have had my (PHR_ Professional Human Resources Certification since 2010 and my (SHRM-CP) Society of Human Resources Management Certified Professional since 2015.

    Why I Love Working at Sigma I enjoy working at Sigma because of the people.  I get to work with really great people every day.  The work environment or energy at Sigma is like no other.

    Most Memorable Project Working with several employees to put together a jambalaya fundraiser to help one of our coworkers and his family.  It was a great thing to see so many of our employees helping out and working together for one of our own.

    More About Me I enjoy running and sports, and spending time with my kids.

  • Bill Owenby

    Bill Owenby

    Director of Project Controls
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    Bill Owenby

    Director of Project Controls

    Background Graduated from LSU with a Construction Management degree in 2005 and have been working in the Petrochemical field since with the majority of that time being spent in the project controls arena.  Has worked for both consultants and representing the client to gain an understanding of processes and execution strategies.

    Why I Love Working at Sigma The employees at Sigma want to be here and want to see Sigma succeed which has created a team and family atmosphere.  Everyone looks out for each other and will do what it takes to make sure we deliver a quality product and in a timely manner.  

    My Role It has been very gratifying to help build the project controls group and to be a part of growth with such a fantastic group of folks.

    Hobbies In my spare time, I enjoy golfing and fishing but most of my time is spent with my two wonderful daughters.

  • Amy Horn

    Amy Horn

    Executive Assistant and Leadership Development Facilitator
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    Amy Horn

    Executive Assistant and Leadership Development Facilitator

    About Me I graduated from LSU and my professional background includes a lot of non-profit involvement and education. I am an Ontological Coach, Trainer, and Facilitator.

    Why I Love Working at Sigma There is a lot of laughter in the office which makes it an enjoyable place to spend the majority of my week. Everyone genuinely enjoys working with each other and Sigma values their employees and cares about making sure there is a work/family balance.

    What Else I Love I enjoy painting, traveling to new and exciting places. I make sure to hit my Pilates, and Barre3 class 3 times a week. I love Thai and Indian food and salted caramel ice cream.

  • Amy Guelfo

    Amy Guelfo

    Controller/ Accounting Director, Leadership Team Member
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    Amy Guelfo

    Controller/ Accounting Director, Leadership Team Member

    Background Graduated from LSU with a degree in Finance.  14 years of experience working in Accounting specifically in Consulting Engineering, prior to that 6 years working in the Accounting department at a warehouse and trucking business.

    Why I Love Working at Sigma I love the fact that Sigma truly is a family and we sometimes are a goofy family.  I find myself giggling about something every day at work because of something a co-worker says or does.  Oh, and there is the ice machine…we have awesome crushed ice.

    What Else I Love I enjoy cooking…really baking more.  I enjoy reading.  I like going to see live music and just listening to music in general. I love eating ice. Lol.  Oh, and today is Kristin’s birthday…..and tomorrow too, because every day is Kristin’s birthday at Sigma.

  • Monty Singletary

    Monty Singletary, Process Department Head

    Process Department Manager, Sr. Process Engineer, Leadership Team Member
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    Monty Singletary

    Process Department Manager, Sr. Process Engineer, Leadership Team Member

    Background I graduated from Mississippi State with a B.S. in Chemical Engineering in 2003. I have been in Baton Rouge doing consulting engineering since 2008, and was lucky enough to get hired on at Sigma in 2010.

    Why I Love Working at Sigma Before I went to college, I worked at a bunch of different places… I was a janitor at a kindergarten, a maintenance worker at a golf course, a lab tech, a bartender, a security guard… and I’ve worked with all kinds of people. Sigma is just so unique, truly one of a kind. There’s a different vibe here… the people, the attitudes, the comradery. It’s not like any other place I’ve been a part of. I see the difference every day, and I think our clients do too. I love the people here, I love the hustle, and I really love seeing our quality work result in safer, larger, and more efficient facilities.

    My Hobbies Does work count as a hobby? When I’m not at the office, I love to travel and take pictures of the amazing places that I get to visit.

    Fun Fact My first office in the building was in the IT vault. Sorry, Scott… I meant to say the “data center.”

  • Manville Borne

    Manville Borne

    Director of Strategic Planning, Leadership Team Member
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    Manville Borne

    Director of Strategic Planning, Leadership Team Member

    Background Before joining Sigma, Manville was CEO and President of a successful, true start-up at Keta Group, LLC and, prior to that, a partner at the law firm of Breazeale, Sachse, & Wilson, LLP. He is a seasoned executive with over 20 years of operations and business development success. He holds a BA in Finance from Louisiana State University, a Juris Doctor (law degree) from Loyola University New Orleans School of Law, is a licensed commercial contractor, and has experience working in a wide array of service industries, including secure environments.

    Why I Enjoy Working at Sigma The people, places, and things. This place is different. And getting to know everyone has been great.

    My Hobbies I love hunting and fishing with family and friends. I also love spending time at an LSU game or some other event with my wife of 20 years and our two teenage kids.

    Interesting Detail Since joining Sigma, I regularly listen to Little Wayne’s music. Go figure.

  • Jace Benoit, PE

    Jace Benoit, PE

    CSA Department Manager
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    Jace Benoit, PE

    CSA Department Manager

    Background I graduated in 2008 from Louisiana Tech University with a B.S. in Biomedical Engineering. I am a licensed PE in Control Systems and also a certified Functional Safety Engineer.

    I started my career working at NASA’s Johnson Space Center as an engineering contractor supporting space flight hardware for the International Space Station before shifting my career into what it is today. I have had the opportunity to work in industrial facilities as both the engineering contractor and the client which has provided me with valuable and accelerated experiences.

    Why I Enjoy Working at Sigma Sigma is truly a unique, exciting, and encouraging place to work. There is open and honest communication at all levels and a great sense of camaraderie which creates an engaging workplace.

    My Most Memorable Sigma Project It is difficult to identify any one project in particular, but the projects that stand out the most to me are the ones where we take proactive approaches to identify and correct issues that may not be initially apparent. This demonstrates our value and that we are intent on providing the right solutions.

    How I Spend My Free Time I enjoy camping and hiking with my wife and two kids; we love the outdoors and taking in awesome sites…especially in the mountains. I am also an avid runner; I try to get in at least a few miles every day.

  • Jessica Legath

    Jessica Legath

    Human Resources Manager
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    Jessica Legath

    Human Resources Manager

    Background I have 13+ years of experience in HR. I'm a graduate of LSU with a B.S. in Business Management, concentration in HR. In 2018, I obtained my SHRM-SCP certification. I am a native of south LA, and I live in Livingston with my husband John and our 4 children.

    Why I Love Working at Sigma I love working at Sigma because it is a place where people genuinely enjoy working and they enjoy the people they work with.

    How I Spend My Free Time I love spending time with my family, playing softball and reading.

    Fun Fact About Me I am a really big nerd that loves math and has a spreadsheet for everything!

  • Tyler Murphy, PE

    Tyler Murphy, PE

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    Tyler Murphy, PE

    About Me I graduated from Louisiana State University in May of 2012 with a Bachelor degree in Civil Engineering. I received my PE in August of 2016.

    Why I Enjoy Working at Sigma Sigma has a unique family atmosphere where everyone has a voice. The employees are valued which motivates the team to consistently produce quality products.

    Most Memorable Sigma Project The Total Drainage Improvements Project is very memorable. I was heavily involved in all aspects of this project including cost estimating, surveying, engineering, design, and project management.

    Hobbies I am an avid outdoorsman and have a camp on Blind River. I also enjoy spending time with my wife and two sons.

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