Our People
Our Core Team
QuantityWare’s founders have over seventy years of experience in the fields of consulting and development within the SAP Oil, Gas, and Energy solution space. Our team members have been involved with the design, programming and delivery of the SAP Oil, Gas, and Energy solution, as well the product’s technical implementation at many sites around the globe.
John Mantle
Managing Director
Currently responsible for all business activities within QuantityWare, John has worked with the SAP Oil, Gas, and Energy industry solution since 1993, where he acted as a technical basis solution expert. He has a deep working knowledge of systems installation, management and technical migration.
In addition to ‘standard project’ implementation support, John has also created numerous problem-specific technical solutions at customer sites.
Supporting the SAP Oil, Gas, and Energy development team for many years at SAP in Walldorf and working on a project basis with the SAP Add On Factory department, he produced technical packages for industry solutions.
Dr. Markus Seng
Director, Solution Development
Responsible for BCS solution management and training at QuantityWare, Markus is a highly experienced Solution Architect who has been working with the SAP Oil, Gas, and Energy industry solution since 1997.
He has designed and implemented major parts of the SAP Oil, Gas, and Energy solution, specifically, SAP QCI, with unique knowledge in the area of quantity conversion theory and implementation.
Rita Mantle
Director, Finances
Responsible for all financial and office activities at QuantityWare, Rita uses her unique experience from the medical field combined with 11 years financial management in an IT company to ensure QuantityWare’s compliant and transparent business operations.
Henry Collier
Head of Internal Systems and Infrastructure
Responsible for the reliability of all QuantityWare IT infrastructure and web services, Henry leverages his 20 years of experience as a systems engineer and analyst working within a global automotive manufacturer to ensure smooth operation of all internal and external systems.
Henry enables all productive and back-office operations to run smoothly on QuantityWare’s rich technology mix of Windows, Unix and Linux across server, client and web environments.
Pat Scullion
Head of Web Development
Responsible for the development of QuantityWare’s online services, Pat uses over two decades of experience developing for the web, including ten years within a global automotive manufacturer, to provide powerful and easy to use online experiences for QuantityWare’s customers.
Pat leads the ongoing design and development of QuantityWare’s Service Portal and web site.
Judit Varga
Head of Customer Support
Responsible for organizing customer and partner support, Judit brings two decades of experience in managing and enhancing customer relationships alongside service delivery, asset and supply coordination within technology and pharmaceutical fields.
Judit leverages this experience to enhance processes within QuantityWare and ensures an effective relationship between QuantityWare and its customers.
Guido Jager
Head of ABAP Development
Responsible for BCS ABAP development and security, Guido is a highly experienced Solution Architect who has been working with the SAP Oil, Gas, and Energy industry solution since 1994.
He has designed and implemented major parts of the SAP Oil, Gas, and Energy solution, specifically “MAP Marketing, Accounting and Pricing”, “MCOE Marketing, Contracts and Order Entry”, as well as “RLM Remote Logistics Management” with unique knowledge in state-of-the-art ABAP security tools.
Jeff Frayser
Management Office
Part of the Management Team, Jeff has extensive experience in Oil, Gas and Chemicals and SAP.
He brings decades of business and technical expertise to the team and has been involved in designing, implementing and supporting SAP solutions in the Oil, Gas and Chemical industry for over 20 years.
Günter Spens
– *02.04.1952 †17.10.2018
Director, Application, Design and Solution Development
As the QuantityWare Development Manager and founding Partner, Günter was a Senior Basis, Application and Development Consultant who worked with the SAP Oil, Gas, and Energy solution from 1989. During this time he acted as technical basis solution expert, developing new solutions, enhancements, interfaces and providing product support.
He designed and implemented major parts of the SAP Oil, Gas, and Energy solution, specifically, SAP QCI, and had unique knowledge in the area of high performance interfaces and numerous SAP Oil, Gas, and Energy solution components.
He is missed.
