Comarch User Group 2026

Łukasz's work focuses on large‑scale partnerships with governments, universities, NGOs, and industry to accelerate AI adoption and build an inclusive, future‑ready workforce. With more than a decade at Microsoft, he has supported strategic innovation across Central and Eastern Europe, including cloud, developer, and digital‑native ecosystem growth.

In Comarch since 2003, starting as a programmer in various projects. After 2 years, he moved to the area of the insurance industry, which he has been developing for over the last 17 years.

Strategic Advisor in Financial Services

Joanna Witsch is a loyalty expert with 18 years of international experience across both client and consultancy roles. Based in Dubai, she works at Comarch, helping clients design and grow successful loyalty programs. She previously held senior positions at Chalhoub Group and Alshaya, bringing deep regional expertise in customer engagement and program operations.

Sven Neweling is responsible for the operative und strategic management of the loyalty program BahnBonus at DB Fernverkehr AG (the long distance railway company of Deutsche Bahn). Prior to that he worked at several management positions with Deutsche Bahn AG in pricing and business development.

David specializes in evaluating and addressing intricate business challenges and process enhancements that extend across functional departments, disciplines, and systems. David has over 35 years of experience in IT and utility operations at Pacific Gas and Electric Company. During his career at PG&E, David served in several capacities including utility capital improvements project manager, division support service manager, manager of IT infrastructure project delivery, manager of IT application project delivery Center of Excellence, and chief of staff to the vice president of IT infrastructure operations, driving cross department planning, budgeting, and process improvement. David retired in 2018 as a chief solution engineer. In 2020, David was appointed as the principal project manager to deliver PG&E’s Operations Support System - Telecom Network Portal Project, a complex, multi-year effort. Additionally, this year David was appointed as the change management leader for PG&E’s Electric Vehicles Socket of the Future Project. David served 5 years with the United States Naval Mobile Construction Forces (Seabees) with deployments in the US Pacific Territory and the British Indian Ocean Territory.

Mariusz Zwolski specializes in the Comarch Factoring Platform, bridging the gap between advanced technology and practical business needs. He focuses on providing comprehensive system presentations and preparing customized system implementation offers that optimize transaction flow. His goal is to help financial institutions fully leverage the potential of CFP to achieve maximum automation of transaction flow.

Global insurance executive with a track record of designing and executing strategy, driving transformation and innovation including delivering top and bottom-line results. Founder-President- CEO of CCN Group, providing EU-wide InsurTech Claims management Services.

A seasoned IT expert with 25 years of experience, he has progressed through every level of the IT career path—from Software Developer and Project Manager to Scrum Master, Agile Coach, and Head of PMO. A graduate of Computer Science at the Silesian University of Technology with a Master of Engineering degree. For the past 6 years, he has been leading the Business Unit dedicated to the Comarch Factoring Platform (CFP). He is responsible for the entire product lifecycle, including production, implementation, service, and consulting, while also overseeing strategic sales and marketing efforts. His unique background allows him to perfectly bridge technical excellence with strategic business development in the factoring industry.

Paula Thomas is the Founder and CEO of Let’s Talk Loyalty and Loyalty TV – the industry’s leading podcast and online TV channel. She is affectionately known as the “Oprah of Loyalty” and in 2025, she was awarded the prestigious title of “International Loyalty Personality of the Year.” To date, the “Let’s Talk Loyalty” podcast has been downloaded over 400,000 times, and the show has been ranked in the top 2.5% of all podcasts worldwide. Loyalty TV episodes have been watched over a quarter of a million times on their Youtube channel! “Let’s Talk Loyalty” and “Loyalty.TV” feature interviews with the world’s leading loyalty practitioners. Global/Fortune 500 brands who have appeared on these shows include McDonald’s, Microsoft, Ikea, American Airlines, Emirates Airline, and Boots (UK) among others. The show has released over seven hundred and fifty episodes to date! She is a former judge for the “International Loyalty Awards,” and the author of the book “Driving Loyalty in Convenience Retail.”  She holds an Executive MBA from Ireland’s top university and is a “Certified Loyalty Marketing Professional.”  Paula is from Ireland, she is married and she lives in Dubai. She loves travel, music, dance, and true crime stories.

Sudapa Chamod is a strategic thought leader with a 30-year career specializing in the management, delivery, and operation of advanced IT solutions for multiple retailers in Asia. In her current role, Sudapa leads Digital Retailing Initiatives and oversees IT services for Home Product Center PCL (HomePro; HMPRO), ensuring the organization remains at the forefront of technological advancement within the industry.

With nearly 20 years of experience leading customer‑centric innovation, digital strategy, and loyalty initiatives, Debora played a key role in building KMV – Km de Vantagens, one of Brazil’s largest loyalty programs and a pioneer in the fuel distribution sector, which she now leads. Throughout her career, she has worked at the intersection of technology, customer experience, and commercial strategy, partnering with cross‑functional teams to design and scale loyalty and engagement programs that enhance company performance. Debora also oversees the company’s fleet management platform, driving product evolution and digital impact across the organization.

Redesigned strategic vision of financial group loyalty ecosystem to become top 2 player in the market. Created and scaled a leading retail loyalty program in Chile in the retail industry, in a 2-year journey. Launched and scaled a leading loyalty program in Colombia in the retail industry, designing it from scratch, implementing the technology stack and scaling it through their channels (direct and indirect). Defined Colombia’s biggest retail bank loyalty strategy and supported the negotiating strategic partnerships to create the leading coalition in Colombia. Revamped the customer loyalty strategy for a specialty retail in Brazil, with more than 20 million users; assessed value created for each stakeholder of the ecosystem and designed and piloted 20 initiatives to accelerate the program’s P&L impact. Optimized a leading airline loyalty program and grew its direct revenues by 60% in only 18 months. Assessed airline FFP valuation for an international private equity player; developed growth plans and assessed overall sustainability of the business. Supported a leading bank in Latam to optimize its loyalty program.

Nyeleti Sue-Angel Nkuna is a global customer loyalty strategist specialising in data-driven personalisation and omnichannel engagement. Her career bridges advertising, TV broadcasting, and management consulting — having held roles at Ogilvy & Mather, Deloitte Digital, VML, and the LEGO Group — giving her a rare combination of creative instinct and strategic discipline.Over two decades, she has designed customer engagement and loyalty strategies for leading brands across automotive, healthcare, and consumer goods. Her work spans continents, from South Africa to Denmark, reflecting both her international outlook and her ability to adapt strategy to culture and context.She holds a BA (Hons) in Film and Television and an MBA from the University of the Witwatersrand, with elective studies in International Business and Strategy at Copenhagen Business School. A seasoned moderator and presenter, Nyeleti is known for leading conversations that are as rigorous as they are human — drawing insight from guests while making every exchange feel genuinely connected.

A senior executive with over 15 years of experience in loyalty strategy and product management, he has led the evolution of large‑scale loyalty programs, driving innovation, customer engagement, and sustainable value. His career is marked by initiatives that enhance customer experience and establish loyalty programs as key strategic assets for their organizations.

An executive with over seven years of experience in loyalty and the aviation industry, combining an engineering background with a postgraduate degree in business management. Her work involves market repositioning, product development, and initiatives that support customer acquisition and program performance for a loyalty program with more than 20 million registered customers. She also leads initiatives aimed at generating value for high‑frequency and high‑spend customers, strengthening engagement and contributing to innovation within the Brazilian loyalty market.

José Luis Cortés is a global product leader in e-invoicing and digital compliance with over 20 years of experience across Europe, Latin America, and North America. He currently serves as Principal Product Manager at JAGGAER, where he leads global e-invoicing compliance strategy across 50+ jurisdictions, spanning clearance, post-audit, and PEPPOL models. Throughout his career at JAGGAER, OpenText, and during the early evolution of electronic invoicing in Mexico, José has specialized in translating complex regulatory mandates into scalable, enterprise-ready solutions.

Christopher Schwaiger is the Head of Performance Excellence within Group Finance at Plansee Group Functions Austria GmbH, where he drives cross‑functional efficiency, process standardization, and digital transformation across the finance organization. An Austrian national with a degree in economics, he has been part of the Plansee Group for more than 10 years, working across several areas within Group Finance, including serving as an AP Process Expert.Christopher plays a key role in shaping Plansee’s global e‑invoicing strategy, focusing on governance, compliance, and the implementation of scalable digital solutions. Known for his solution‑oriented mindset, he is deeply involved in the cooperation with Comarch, supporting a partnership aimed at simplifying complexity, increasing transparency, and establishing reliable end‑to‑end invoice workflows.

Wim Smets is a freelance Transformation Executive that loves challenges. He reorganizes IT departments of multinationals and governments and has led complex IT transformation programs in most European countries, the US and Asia. When he is not working, he seeks his challenges in the outdoor. He has participated in 8 expeditions to the death zone and in a North Pole expedition. He ran ultra trails and a marathon in the Sahara. He gives keynotes where he combines his transformation experience with the lessons he learned during extreme challenges all around the world and he wrote a book about these lessons.

Over the past quarter-century, Marcus Laube has concentrated on innovating services within the realms of electronic invoicing and Integrated Digital Trade, successfully penetrating both Business-to-Business (B2B) and Business-to-Government (B2G) markets.   In his capacities as Founder, Managing Director, and Board Member at various service providers, Marcus has significantly influenced the strategic direction, organizational structure, and product offerings of numerous global corporations. He has actively participated in European Commission working groups and provided consultancy to governments and official bodies on optimal strategies for implementing electronic invoicing solutions.   Marcus is a recognized pioneer in the industry and used to hold various influential positions in prominent associations. These roles still include Secretary General of the Global Exchange Network Association (GENA) in Brussels, Belgium; and used to include Chairman of the Verband elektronische Rechnung (VeR) in Munich, Germany; and Chairman of the European Fintech Alliance (EFA) in Berlin, Germany.   Since taking over billentis in 2023, he has established the company as a leading consultancy in the field of e-invoicing, tax compliance and Integrated Digital Trade. billentis has shared its extensive expertise with over 200 solution providers, governments and invoice issuers and recipients from more than 50 countries, helping them to succeed in the ever-changing world of digital invoicing.

Bartłomiej Wójtowicz is the Head of Comarch's Data Exchange & Document Management Consulting Team and a business automation expert, who has over 15 years of experience in helping companies go digital and optimize their key processes. He was previously responsible for product development in the area of B2B Network and electronic invoicing.

Founder and CEO of the Purchase to Pay Network (PPN), Ellen is passionate about creating a platform that offers the community a space to learn, network and develop. PPN shares best practice advice, conducts market research, industry news, jobs, the annual P2P Summit, awards, masterclass roundtable events, webinars, Future of Finance Lectures, and podcasts. The Network also offers technology partners a chance to connect with new channels and enjoy being a part of a real P2P community. Ellen is creative in bringing together leaders across Finance, P2P, AP and Procurement - elevating careers, passionate about people, processes that work and technology that does what it says it will. Since 2024 Ellen Co-Founded and Chairs the UK eInvoicing Advocacy Lab (UKeLab) – a multi-stakeholder group that advocates for eInvoicing as a public policy priority in the UK and were contributors to the HMRC public consultation.

John serves B2C marketing professionals to help them develop best-in-class customer engagement programs and strategies with a focus on increasing both brand loyalty and profitability. His research spans consumer attitudes towards loyalty, loyalty strategy, program best practices, loyalty measurement, and the landscape of tech and service providers that enable loyalty and retention marketing initiatives.Before joining Forrester, John spent over 27 years working in leadership positions within the Brierley & Partners organization, where he partnered with the world’s leading brands to design, implement, and support highly successful programs including GameStop, Hard Rock, 7-Eleven, and JCPenney.

Luke is a Director with Alvarez and Marsal. He has been focusing on tax technology since 2012. He has held multiple positions across Europe and the Middle East and is an e-Invoicing and VAT technologies SME. Luke is a tax technologist that specializes in global e-Invoicing compliance, finance/tax transformation, VAT determination, and compliance. He is a functional specialist that predominantly focusses on requirements gathering and process reengineering for tax-technology projects. Luke has spent the previous five years supporting KSA e-Invoicing implementations, including SAP DRC, Edicom and Pagero. The previous 18 months he has focused on UAE, Oman, Poland, Germany, and France. He also has extensive experience in finance and technology transformations, including SAP S4HANA. While his predominant focus are private clients, he has previously supported a Middle Eastern Tax Authority’s SAP Tax and Revenue Management (TRM) implementation.

Kamila specializes in global e-Invoicing and EDI projects. She treats it as her duty to identify the business needs of her clients. She uses her experience of working with various large producers and retailers to identify areas that can be improved by process automation. She is focused on providing tailor-made solutions and professional guidance to companies interested in digitization, ensuring that they harness the full potential of Comarch’s comprehensive digital ecosystem.

Mostapha Abdelaziz is a Consulting Sr.Manager at Comarch and a leading Subject Matter Expert in global E-Invoicing, VAT compliance, and ERP transformation. With over 15 years of cross-functional experience, Mostapha bridges the gap between complex tax legislation and technical execution. He specializes in conducting deep-dive impact assessments and leading large-scale VAT solution implementations for global enterprises. At Comarch, he acts as a strategic advisor to tax leaders, helping them navigate the shifting regulatory landscape to build streamlined, future-proof compliance ecosystems. A champion of "Inquiry-Led Innovation," Mostapha is known for fostering a culture of curiosity that transforms regulatory hurdles into competitive advantages.