We're proud to spotlight Uwe Aschemeier, our Head of Welding Services. With extensive experience as a commercial diver, Uwe is also an award-winning educator and a respected speaker in the underwater welding industry, known for his dedication to advancing industry standards and sharing his expertise worldwide.

His technical expertise and engaging presentation style make complex concepts accessible, whether he's teaching Subsea Global teams or presenting at industry conferences worldwide.  

Uwe’s impressive ability to share knowledge and advance industry standards has solidified his reputation as a leader in both innovation and mentorship. His depth of knowledge and innovative approach have made a significant impact on Subsea Global Solutions. With advanced qualifications in both mechanical and welding engineering, German-born Uwe has dedicated his career to pioneering techniques in underwater welding. His international experience spans from Europe to North America to Korea and beyond, where he’s led critical underwater projects and contributed to advancing welding standards worldwide.

At SGS, Uwe has been instrumental in leading complex underwater repair and maintenance operations, including challenging deep-sea projects and groundbreaking wet welding techniques. His commitment to safety and technical excellence is recognized not only within our organization but across the maritime industry. Uwe frequently shares his expertise as a speaker at global industry conferences and serves on multiple welding standards committees, where his insights shape best practices in underwater welding and environmental safety.

Beyond his technical skills, Uwe is known for his collaborative spirit and dedication to mentoring emerging talent, helping to elevate our team’s capabilities across our global offices. Whether working on challenging repairs or pushing the boundaries of marine technology, Uwe exemplifies the SGS values of safety, integrity, professionalism, and teamwork. We’re honored to have him on our team, driving innovation and excellence in every project he touches!

Uwe has an impressive history of lectures, presentations, publications, and key notes. Here is a collection of some of his notable work.

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LECTURES AND PRESENATIONS

• Presentation „Schiffsreparaturen Unterwasser – Anforderungen und Umsetzung“ (Underwater Ship Repairs – Requirements and Execution) at the Conference „Weiterbildung/ Erfahrungsaustausch für Aufsichtspersonal im Bereich Luft- und Raumfahrzeugbau sowie für wehrtechnische Produkte“ (continuing education for supervisory personnel in aircraft and spacecraft construction as well as for defense products), Berlin, Germany 2023.

• Presentation “Ermuedungs- und Bruchverhalten von unter Wasser Schweiss-Verbindungen in Kehl- und vollstaending durchgeschweissten Stumpfnaehten“ (fatigue and fracture performance of underwater fillet and complete penetrations groove welded joints) at the DVS Congress Unterwassertechnik (Underwater Technology) during the Welding and Cutting Fair (Schweissen und Schneiden) in Essen, Germany, September 2023.

• Presentation describing the underwater wet weld repair on a bilge keel of an FPSO at the DVS Congress Unterwassertechnik (Underwater Technology) during the Welding and Cutting Fair (Schweissen und Schneiden) in Essen, Germany, September 2023.

• Presentation on underwater wet welding at the Welding Summit Conference 2023 in Woodlands, Texas, USA.

• Presentation describing the underwater skeg repair on cruise ship at the DVS Congress Unterwassertechnik (Underwater Technology) in Hamburg, Germany, September 2019.

• Presentation on underwater wet welding at the MPWT 2019 Conference in Dammam, Saudi Arabia.

• Presentation of underwater welding projects at the 2019 CanWeld Conference in Halifax, Canada.

• Presentation of underwater welding projects at the 2019 Educators Conference in Halifax, Canada.

• Teaching Part B (Code Book Part) in the annual AWS CWI Seminar for the German Welding Society (SLV Munich) from 2014 to present.

• Presentations on underwater welding for several AWS Sections throughout the USA.

• Presentations on underwater wet welding for CWA Sections throughout CANADA.

• Presentation on underwater wet welding and underwater NDE at the annual meeting of the Danish Welding and NDT Society in Koldingfjotd, Denmark “Svejse-og NDT-seminar på Koldingfjord May 2013.

• Presentations on underwater wet welding for the German Welding Society.

• Presentation at the annual meeting of the Canadian Welding Association in Banff, Canada, September 2011.

• Presentation on underwater wet welding at the DVS Congress Unterwassertechnik (Underwater Technology) in Hamburg, Germany, September 2011.

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PUBLICATIONS

• Schweißen und Schneiden 76 (2024) Heft 10 (WELDING & CUTTING) Englich Publication of the German Welding Society (DVS) “Underwater weld repairs – Requirements and execution”

• Proceedings DVS Congress Unterwassertechnik (Underwater Technology) “Ermuedungs- und Bruchverhalten von unter Wasser Schweiss-Verbindungen in Kehl- und vollstaending durchgeschweissten Stumpfnaehten“ (fatigue and fracture performance of underwater fillet and complete penetrations groove welded joints), Essen, Germany, September 2023.

• Proceedings DVS Congress Unterwassertechnik (Underwater Technology) “Underwater Wet Weld Repair on a Bilge Keel of an FPSO”, Essen, Germany, September 2023.

• STRUCTURE Magazine, April 2021, Underwater Weld Repairs

• WELD, Canadian Welding & Lifestyle Magazine, Winter 2019/2020 “Underwater Repair of a Bulk Freighter”.

• Conference Proceedings MPWT 2019 Conference in Dammam, Saudi Arabia, Permanent Underwater Wet Weld Repairs.

• AWS Welding Journal, October 2018 “Staying the Course during Underwater Repairs”.

• AWS Welding Journal, March 2013 “Repair of a Hull 15 m below the Waterline”.

• DVS Congress and EXPO Underwater Technology - Proceedings “Unterwasser Reparatur des Schüttgutfrachters MV Big Wave”, September 2013.

• AWS Welding Journal, January 2011 “Repairing an Underwater Pipeline”

• CWA Journal, Summer 2011 “MV Jialong Spirit”.

• ADCI Underwater Magazine, November/December 2011 “Underwater Repair of a Bulk Freighter”.

• AWS Welding Journal, November 2010 “A Most Challenging Project: Repair of the Sophia D”.

• AWS Welding Journal, November 2008 “Underwater Welder Training from an Engineer’s Perspective”.

• Co-author of the following articles in Inspection Trends, published quarterly by the American Welding Society:

• Solving UT Weld Inspection System Problems (Winter 2004).

• A Guide to AWS Ultrasonic Weld Inspection (Winter 2005).

• Yoke MT: Part I – A “How-To” Guide for Inspectors (Spring 2005).

• Yoke MT: Part II – Preparing for Inspection (Summer 2005).

• Buckeye Bullet Team learns Magnetic Particle Testing (Summer 2005).

• “What Caused Those Cracks” - Analyzing Cracks (Summer 2006).

• Co-author of the "Quality Manual - Quality Management for small and medium size welding companies", published by the German Welding Society (DVS), Qualitaetssicherungs Handbuch – Ein Muster fuer kleine und mittlerem Schweissbetriebe, Fachbuchreihe Schweisstechnik, Band 98, ISBN 3-87155-115-5, 1993

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AWARDS

• Dalton E. Hamilton Memorial CWI of the Year District Award (September 2002).

• District Meritorious Award – District 7 (September 2003).

• Section Meritorious Award – Cincinnati Section (September 2004).

• A.F. Davis Silver Medal for the excellence of a paper in the field of Maintenance and Surfacing entitled “Repair of a Hull15 m below the Waterline.” (November 2014).

• Image of Welding Award 2016 in the Individual Category.

• AWS Silver Member (November 2019).

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