Meet Our Team
GPS staff members believe in working as a team to deliver high-quality, convenient and on-time service

Amber Esau
Sales, Tulsa Office
Hi, I’m Amber Esau. I have been in the metals industry since 2007 and I started with Great Plains Stainless in 2023. I have lived in Tulsa, OK all my life and am a mother of 2 amazing kids. We spend most of our time playing basketball and hanging out with family and friends. My other hobbies include reading, cooking and baking, and crafts.
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Bic Huang
Office Manager, Nelson Office
I returned to GPSS June 2022 after having a family 7 years ago.
I’m the Office Manager and also handle accounting and shipping for the Nelson office. I enjoy working with the different nationalities in GPSS.
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Daisy Wong
General Manager, Shanghai Office
I started to work in Great Plains Stainless in 2005. Now I am in charge of Sales jobs in Shanghai office. Of course, Shanghai office is acting as the support office for headquarters, New Zealand, and Chile as well. I love learning about the technical aspects of the steel industry.
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Guillermo Obejero
Administrative and Financial Manager, Santiago Office
Originally from Argentina. I moved to Chile in September 2014 to work with Great Plains Stainless S.A. Living in Santiago, Chile allows many opportunities to enjoy skiing, camping, and mountain trekking in the great outdoors.
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Leslie Martinez
Accounting Analyst, Santiago Office
Hi, I’m Leslie. I’m an accountant. I work at GPS Chile since april 2017, it is a challenge for me and I am proud about my labor. I am a sociable and cheerful person. I live with my husband. I love animals, we already have 3 dogs. In my free time I enjoy being with my family.
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Maura Vij
Vice President, USA Office
I enjoy interacting with customers of many different backgrounds and finding out more about their specific needs so I can come up with the best possible option. I am fortunate to have been in the industry for over 17 years. My husband and I are also parents to three girls.
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Rachel Guey
Receptionist/Accounts Receivable, Tulsa Office
I was born in Chicago and raised between Chicago and Tulsa; now I live in Broken Arrow with my husband, five kids and three grandkids. I spent 20 plus years in the medical field and administration. I started at Great Plains in 2025 and I really enjoy my job and the people I work with. When I’m not working, I’m spending time with my family watching football, baseball. I also love history and playing music and going to Pow Wows.
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Andres Sifontes
Sales, Santiago Office
I joined the Great Plains team in 2018. I am a Production Engineer and I have specialized in the technical sales. I like to practice sports, especially soccer. I enjoy outdoor activities and share with friends and family. I am proud to belong to this excellent team and be able to provide innovative solutions to our clients to make their projects reality.
Email
+56 9 9474 7555

Brandon Framel
Shipping Manager, Tulsa Office
Brandon has been with Great Plains Stainless since 2011.
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Francisco Martinez
Warehouse, Santiago Office
I am Francisco Martinez and I am 24 yeas old. I have joined Great Plains in April 2021 and I hope to work here for a long time. My hobbie is playing soccer.

Jasmin Bell
Warehouse, Tulsa Office
Hi, I am Jas Bell! I was born and raised in Tulsa, Oklahoma. I have no kids of my own but I am THE community Aunt. I have been in the steel industry for a few years and I am in love with the business!

Linden Brown
Sales, Tulsa Office
I joined Great Plains Stainless in 2021. I was born in Kansas and raised in Oklahoma. I have two wonderful children that make up the bulk of my spare time. My little family and I love to travel and explore new places. I spend my mornings before work at the gym. I’m a fan of all sports but mainly basketball and football.
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Mauricio Ferrada Bustos
Sales, Santiago Office

Swati Sethi
Sales and Quality Control Specialist, Nelson Office
I joined Great Plains Stainless last year in 2023. I am very fortunate to be part of the NZ team. I like interacting with people and meeting their needs. I love cooking, singing and making new friends.
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Andrew Foster
Warehouse, Tulsa Office
I was born in Tulsa and graduated from Haskell, OK High School. I am a family man who loves to study the Bible.

Chrystal Myers
Accounting Manager, Tulsa Office
I was born and raised in the Tulsa area. I married my high school sweetheart and we have 2 children. The thing I enjoy most is spending time with friends and family.
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Francisco Sepúlveda S.
General Manager, Santiago Office
Hi, I’m Metallurgist from Concepción, a really nice south Chilean city. I came to Santiago to develop myself and to be with my girl friend. I come from a close family. We care about each other and family is fundamental in my life. I like jogging, training, and eating healthy. I love to enjoy time with my loved ones with a delicious barbecue.
Email
+56 9 3303 7574

Lori Fuller
Accounting, Tulsa Office
I joined Great Plains Stainless in 2007. My job as the accounts payable clerk offers a challenging position that I very much enjoy.
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Nathan Myers
Warehouse Supervisor, Tulsa Office
I was born and raised in Tulsa, OK. I am living life with my High School sweetheart and two amazing kids. Flying RC airplanes is my favorite way to unwind.
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Taress Coleman
Warehouse, Tulsa Office
I am a native Tulsan. My wife and I have been happily married since 2012. We have three beautiful daughters. Outside of family, I’m a big sports fan especially basketball and football. I also enjoy playing video games and generally consider myself a pretty “chill” guy.

Armando Cisternas
Warehouse, Santiago Office
Hello, I am Armando Cisternas and I belong to GPSS Chile since 2017 and I hold the position of warehouse assistant. Soon I will study Logistics Operations Technician which has me very happy and motivated since it is directly related to my work and I will be able to continue growing personally and professionally to continue contributing to the company.

Claudia Villarroel
Administrative Assistant, Santiago Office
I joined GPSS Chile in December 2017. My position as Administrative Assistant continually provides opportunities to contribute to the Santiago team. After hours I enjoy spending time with my family.
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Gil Duron
General Manager, Tulsa Office
I was born in Orange, CA and raised in Tulsa, OK. I joined Great Plains in 2000 and started my journey in the stainless piping product business. I was fortunate to work internationally with Great Plains Stainless in 2007 for a time gaining a global perspective of the industry. I have visited several mills in the metal industry, and I enjoy continuously learning about products and metal market trends. I am pleased to help customers with their stainless piping needs. My favorite personal activities are running, watching sports, playing musical instruments, and reading books. I’m happily married with three boys and reside in Tulsa, OK
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Joseph Gibbons
President, CEO, Nelson Office
I was born and raised in Chicago, the oldest of 12 children. I moved to Tulsa in 1975 to be with my wife’s family when we were expecting our first child. I am a long time practitioner of Transcendental Meditation (since 1971), a yoga junkie, a hiker, and a piano player. I love Notre Dame football and the “All Blacks”.
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Matt Stowers
Warehouse, Tulsa Office
I have been with Great Plains Stainless since 2017.

Nick Belcher
Sales, Tulsa Office
I joined Great Plains Stainless in 2018. I am an Oklahoma Sooner football fan and life long Oklahoman, and enjoy sports and grilling outdoors.
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