Anna Petroski

President

Anna is a co-Founder of Atema with nearly 30 years of experience in quality, fabrication, standards, writing, and executive association management...

• Certified Welding Inspector (AWS) #84100033

Terry Logan

Vice President

Terry is a co-founder of Atema with over 35 years of experience in quality, manufacturing, training, auditing, program management, and technical services...

• Certified Manufacturing Engineer (SME) #3025699
• Certified Quality Engineer (ASQ) #22827

Klaudia Sta.Ana

Chief Financial Officer

Klaudia has been with Atema since October 2013 and is responsible for monitoring and analyzing all financial aspects of the company...

• ISO 17021-1:2015 Transition Training
• ISO 9001:2015 Transition Training

Alicia Sanchez

Chief Sales and Development Officer

Alicia has been with Atema since 2016 and is responsible for Atema's strategic growth and expansion into diverse industries and construction markets...

• Certified Quality Auditor (CQA) #72330

Jim Callahan

Senior Quality Systems Specialist

Jim manages multiple large projects for Atema, both national and international, for large facility owners and contractors serving agencies in transportation and...

• Certified Quality Auditor (ASQ) #45392
• Certified Welding Inspector (AWS) #05080031

Tom Anderson

Technical Director          

Tom is responsible for ensuring Atema's technical personnel and current and knowledgeable in codes, standards, and specific industry requirements...

• Certified Quality Auditor (ASQ) #66900
• Certified Welding Inspector (AWS) #19070891

Kent Nelson

Senior Quality Systems Specialist

Kent came to Atema after 28 years with Missouri DOT and is responsible for ensuring client success through quality sciences and industry certification...

• Certified Quality Auditor (ASQ) #71463
• Certified Welding Inspector (AWS) #20013491 

Maggie Zhou

Vice Project Manager, Overseas Operations

Maggie has been with Atema since 2015 and is responsible for technical project management for international bridge fabrication in China and Italy...

• Certified Welding Inspector (ASQ) #25082701

Adam Knoblauch

Quality Systems Specialist

Adam came to Atema with 20 years of experience in the welding industry and is responsible for ensuring client success in quality sciences and industry certification...

• Certified Quality Auditor (ASQ) #75743 
• Certified Welding Inspector (AWS) #15051811 

Thomas Lower

Quality Systems Specialist

Thomas joined Atema in 2025 and is responsible for ensuring client success through quality sciences and industry certification...

• Certified Quality Auditor (ASQ) #76679
• Certified Welding Inspector (AWS) #07041371

Jon Edwards

Technical Advisor

Jon joined Atema with over 40 years of Illinois DOT experience and is responsible for the technical review of reports, weld procedures, and shop drawings... 

• Registered Professional Engineer (IL) #062.033396
• Registered Professional Engineer (MI) #62101070379

Mike Mauris

Technical Advisor

Mike joined Atema as a Professional Quality Auditor with over 35 years of experience and is responsible for ensuring client success in quality sciences... 

• Certified Quality Auditor (ASQ) #37907
• Certified Welding Inspector (AWS) #95070571 

Jeffrey Stankiewicz

Quality Systems Specialist

Jeffrey joined Atema in 2025 and is responsible for ensuring client success through quality sciences and industry certification...

• Certified Quality Engineer (ASQ) #110535 
• Certified Quality Auditor (ASQ) #76288

Alex Lussier

Project Coordinator

Alex joined Atema in 2023 and is responsible for supporting clients throughout their certification application process and beyond...

Marla Oliva

Sales and Marketing Assistant/Gage Store Specialist

Marla joined Atema in 2024 and is responsible for coordinating client sales, executing marketing campaigns, and the day-to-day operations of the Atema Gage Store... 

Josephine Leversee

Corporate Facilities Manager

Josephine joined Atema in 2013 and is responsible for facility operations, driving efficiency, and supporting Atema's commitment to quality, safety, and innovation...

Brian Georger

Executive Assistant

Brian joined Atema in 2023 after 23 years serving in the US Navy and is responsible for enhancing the president's administrative and operational effectiveness...