• Technology Management, Information Technology for Business, Management Information Systems, Business Analysis, Project Management, ERP Systems, Accounting Software, SPSS, Smart PLS, Qualitative and Quantitative research methods, Business Economics etc.

• Digitalization, Digital Transformation, ERP Systems, Accounting Analytics, Change Management, Technology Management and Organizational Productivity/Performance, Technology for Organizational Sustainability etc

At University of Kelaniya

• Senior Lecturer (Gr II), Department of Accountancy, Faculty of Commerce and Management Studies, University of Kelaniya, 13th September 2019 to present.
• Lecturer, Department of Accountancy, Faculty of Commerce and Management Studies, University of Kelaniya, 13th September 2013 to 13th September 2019.
• Temporary Assistant Lecturer, Department of Accountancy, Faculty of Commerce and Management Studies, University of Kelaniya, 13th December 2011 - 12th September 2013.

Visiting Appointments

• Visiting Lecturer, Master of Business (Accounting and Finance) Programme, Department of Accountancy, Faculty of Commerce and Management Studies, University of Kelaniya, 2017 to present.
• Visiting Lecturer, Master of Business Administration (MBA) programme, Faculty of Commerce and Management Studies, University of Kelaniya, 2017 to 2022.
• Visiting Lecturer, Higher Diploma in Business Accounting programme of Department of Accountancy, Faculty of Commerce and Management Studies, University of Kelaniya, 2016 to 2022.
• Visiting Lecturer, SAB Campus, CA Sri Lanka, August 2024 to present.

Other Official Appointments

• Programme Coordinator – B.B.Mgt. Honors in Accounting Information Systems Degree, Department of Accountancy (2021- 2022)
• Technical Coordinator - Master of Business Programme, Unversity of Kelaniya (2019 - 2021)
• Activity Coordinator - World Bank funded ELTA /ELSE AHEAD DP (2019 - 2023)
• Web Master & LMS Coordinator - Department of Accountancy (2019 - 2022)

Industrial Training

• Postgraduate Intern – Functional Team, Platned Group – Sri Lanka Office (IFS Partner), (2025 – 2026).
• Accounts Trainee, Diesel and Motor Engineering PLC (2010 – 2011).

Journal Articles

• Application of Industry 4.0 Technologies in Accounting Profession: Evidence from Sri Lanka, IPN Dharmasena, H Herath, WDN Aruppala, (July 2024), Journal of Business and Technology 8 (2), University of Kelaniya
• Factors influencing the successful adoption of online banking services in Sri Lanka, H Herath, WDN Aruppala, (December 2024), International Journal of Accounting and Business Finance, University of Jaffna
• A study on fraud prevention and detection methods in Sri Lanka, GKH Peiris, WDN Aruppala, (December 2021), Kelaniya Journal of Management 10 (2), University of Kelaniya
• User Perspective on the Adoption of E-Learning in Sri Lanka: Evidence from Accountancy Undergraduates of University of Kelaniya, U Kumarasiri, WDN Aruppala, International Conference on Business & Information, (January 2021), SSRN Electronic Journal
• Customer satisfaction towards the service quality: A study on NDB PLC of Sri Lanka, P Perera, D Aruppala, (2013), Journal of Marketing 78, 278-303
• Lease Accounting Disclosure Practice of Non Bank Financial Institutions (NBFIs) in Sri Lanka: A Lessor's Perspective, D Aruppala, PMC Thilakerathne, (2012), Kelaniya Journal of Management

Conference Proceedings (Full Papers)

• Role Of Green Supply Chain Management on Project Success of Sri Lankan Constructon Companies, MMT FERNANDO, WDN ARUPPALA, ASAIHL Conference December 2019, Colombo, Sri Lanka
• An Extended Study on Intellectual Capital and Financial Performance of Sri Lankan Banks, WDN Aruppala, (October 2018), 3rd Interdisciplinary Conference of Management Researchers, Sabaragamuwa University of Sri Lanka
• The impact of corporate sustainability practices on financial performance-an empirical study on listed manufacturing companies of Sri Lanka, HS Fernando, WT Perera, WDN Aruppala, (October 2018), 3rd Interdisciplinary Conference of Management Researchers, Sabaragamuwa University of Sri Lanka
• Insights of Integrated Reporting in Organizational Reporting Practice: A Study of Listed Manufacturing Companies on Colombo Stock Exchange in Sri Lanka, WT Perera, HS Fernando, WD Aruppala, (October 2018), 3rd Interdisciplinary Conference of Management Researchers, Sabaragamuwa University of Sri Lanka
• Intellectual capital and financial performance in Sri Lankan Banks, D Aruppala, V Wickramasinghe, I Mahakalanda, 6th International Conference on Business & Information (ICBI–2015), 37-49
• Undergraduates' Out-of-Class Experiences and their Influence on Employability: Evidence from Faculty of Commerce and Management Studies, University of Kelaniya, D Aruppala, WVAD Karunarathne, (2013), ASAIHL International Conference
• Corporate Governance and Firm Performance: A Study of Sri Lankan Beverage, Food and Tobacco Companies, P Kawshalya, D Aruppala, (2013), International Conference on Business and Information
• Environmental Reporting Practice of Listed Companies in Sri Lanka: Evidence from Manufacturing, Motor, Power and Energy Sectors, D Aruppala, P Perera, (November 2012), International Conference on Business and Information (ICBI).

Books

• "Change Driven to Success" Case Study Screeline Holdings (Pvt) Ltd, Sri Lanka, P Perera, H Rathnasiri, A Rajapakse, D Aruppala, P Kawshalya

Abstracts

• Nexus between Digitalization, Emplaoyee Change Mnagenet and Organizational Productivity: A systematic Literature Review (2025), International Conference on Management and Entrepreneurship (ICOME) 2025, Faculty of Management Studies, The Open University of Sri Lanka.
• Challenges and Barriers to Digital Transformation in Sri Lankan Government Organisations: Managers’ Perceptions, D Aruppala, K Gunawardana, MJM Razi (February 2025), 21st International Conference on Business Management (ICBM 2025), 66
• Determinants of internet banking adoption in Sri Lanka, D Mohotti, WDN Aruppala, (2021), International Conference on Business and Information (ICBI).
• Impact of computerized accounting systems on quality of financial reporting in Small and Medium Enterprises (SMEs) in Galle District, Sri Lanka., NVP Bhashana, WDN Aruppala, (2020), International Conference on Business and Information (ICBI).
• User Perspective on the Adoption of E-Learning in Sri Lanka: Evidence from Accountancy Undergraduates of University of Kelaniya, U Kumarasiri, WDN Aruppala, (2021), International Conference on Business and Information (ICBI)