Program Committee, The 30th IEEE International Requirements Engineering Conference (RE'22), Virtual, 2022.

Program Committee, The 20th IEEE International Conference on Software Analysis, Evolution and Reengineering (SANER’22), Early Research Achievement Track, 2022.

Program Committee, The Software Engineering Education and Training (SEET) Track at the 44th International Conference on Software Engineering (ICSE 2022), Pittsburgh, USA.

Program Committee, Special Track on Internet of Things (IoT), at the 37th Annual ACM Symposium on Applied Computing (SAC-2022), 2022.

Program Committee, Requirements Engineering Track, 15th Edition at the 37th Annual ACM Symposium on Applied Computing (SAC-2022), 2022.

Program Committee, The 36th IEEE/ACM International Conference on Automated Software Engineering Artifact Evaluation, ASE 2021 Artifact Evaluation, 2021.

Program Committee, The ACM Joint European Software Engineering Conference and Symposium on the Foundations of Software Engineering (ESEC/FSE), ESEC/FSE '21 Artifacts, 2021.

Program Committee, ACM/IEEE 24th International Conference on Model Driven Engineering Languages and Systems (MODELS) -- Practice and Innovation Track, Virtual, 2021.

Program Committee, the 29th IEEE International Requirements Engineering Conference (RENext!'21), Virtual, 2021.

Program Committee, the 29th IEEE International Conference on Software Analysis, Evolution and Reengineering (SANER’21), Early Research Achievement Track, 2021.

Program Committee, the 27th Intl. Working Conference on Requirements Engineering: Foundations for Software Quality (REFSQ’21), Essen, Germany, 2021.

Program Committee, Special Track on Internet of Things (IoT), at the 36th Annual ACM Symposium on Applied Computing (SAC-2021), Korea, 2021.

Program Committee, Requirements Engineering Track, 14th Edition at the 36th Annual ACM Symposium on Applied Computing (SAC-2021), Korea, 2021.

Program Committee, the 8th International Workshop on Evolving Security & Privacy Requirements Engineering at RE’21, USA, 2021.

Program Committee, the 2nd Workshop on Ethics in Requirements Engineering Research and Practice at ICSE2021, Virtual, 2021.

Program Committee, the Natural Language Processing for Requirements Engineering 2021 at REFSQ’21, 2021.

Shadow PC, Mining Software Repositories (MSR'21), Virtual, 2021.

Program Committee, the 28th IEEE International Requirements Engineering Conference (RENext!'20), Switzerland, 2020.

Program Committee, the 27th IEEE International Conference on Software Analysis, Evolution and Reengineering (SANER’20), Early Research Achievement Track, London, Ontario, February 18 – 21 2020.

Program Committee, the 26th Intl. Working Conference on Requirements Engineering: Foundations for Software Quality (REFSQ’20), Pisa, Italy, March 2020.

Program Committee, Special Track on Internet of Things (IoT), at the 35th Annual ACM Symposium on Applied Computing (SAC-2020), Brno, Czech Republic, March 30-April 3, 2020.

Program Committee, Requirements Engineering Track, 13th Edition at the 35th Annual ACM Symposium on Applied Computing (SAC-2020), Brno, Czech Republic, March 30-April 3, 2020.

Program Committee, the 13th International i* Workshop, in conjunction with RE’20, Zurich, Switzerland, 2020.

Program Committee, REthics2020: Workshop on Ethics in Requirements Engineering Research and Practice, in conjunction with RE’20, Zurich, Switzerland, 2020.

Program Committee, EmpER20: the 3rd International Workshop on Empirical Methods in Conceptual Modeling, in conjunction with ER 2020 from November 3rd to 6th, 2020.

Program Committee, Third Workshop on Natural Language Processing for Requirements Engineering, at REFSQ'20, Virtual, 2020.

Program Committee, The 27th IEEE International Requirements Engineering Conference (RE'19), South Korea, 2019.

Program Committee, Special Track on Internet of Things (IoT), at the 34th Annual ACM Symposium on Applied Computing (SAC-2019), St. Raphael Resort, Limassol, Cyprus, April 8-12, 2019.

Program Committee, Requirements Engineering Track, 12th Edition at the 34th Annual ACM Symposium on Applied Computing (SAC-2019), St. Raphael Resort, Limassol, Cyprus, April 8-12, 2019.

Program Committee, The 26th IEEE International Requirements Engineering Conference (RE'18), Banff, Canada, 2018.

Program Committee, The 37th International Conference on Conceptual Modeling (ER 2018), Xi'an, China. from Oct. 22-25, 2018.

Program Committee, The 5th Workshop Quality of Models and Models of Quality (QMMQ'18), in conjunction with the 37th International Conference on Conceptual Modeling (ER'18), Xi'an, China. from Oct. 22-25, 2018.

Program Committee, The 5th International Workshop on Evolving Security and Privacy Requirements Engineering (ESPRE'18), Banff, Canada, 2018.

Program Committee, Special Track on Internet of Things (IoT), at the 33rd Annual ACM Symposium on Applied Computing (SAC-2018), Pau, France, 2018.

Program Committee, Requirements Engineering Track, 11th Edition at the 33rd Annual ACM Symposium on Applied Computing (SAC-2018), Pau, France, 2018.

Program Committee, The 25th International Requirements Engineering Conference (RE'17), Lisbon, Portugal, 2017.

Program Committee, RENext! - The 25th International Requirements Engineering Conference, Lisbon, Portugal, 2017.

Program Committee, The 36th International Conference on Conceptual Modeling (ER), Valencia, Spain, 2017.

Program Committee, The 7th International Workshop on Requirements Patterns (RePa), Lisbon, Portugal, 2017.

Program Committee, The 4th International Workshop on Evolving Security and Privacy Requirements Engineering (ESPRE), Lisbon, Portugal, 2017.

Program Committee, The 10th Requirements Engineering Track, at the 32nd Annual ACM Symposium on Applied Computing (SAC-2017) Marrakech, Morocco, 2017.

Program Committee, RENext! - The 24th International Requirements Engineering Conference, Beijing, China, 2016.

Program Committee, The 35th International Conference on Conceptual Modeling (ER), Gifu, Japan, 2016.

Program Committee, The 18th International IEEE Conference on Business Informatics (CBI), Paris, France, 2016.

Program Committee, - The 21st International Conference on Exploring Modeling Methods in Systems Analysis and Design (EMMSAD), co-located at CAiSE, Ljubljana, Slovenia, 2016.

Program Committee, The 3rd International Workshop on Evolving Security and Privacy Requirements Engineering (ESPRE), Beijing, China, 2016.

Program Committee, The 9th International i* (iStar) Workshop, Beijing, China, 2016.

Program Committee, The 1st International Workshop on Requirements for Visualizations in Systems Engineering (ReVISE'16), Beijing, China 2016

Program Committee, The 23rd International Requirements Engineering Conference (RE15), Ottawa, Canada, 2015.

Program Committee, The 34th International Conference on Conceptual Modeling (ER), Stockholm, Sweden,2015.

Program Committee, The 17th International IEEE Conference on Business Informatics (CBI), Lisbon, Portugal, 2015.

Program Committee, The 23rd European Conference on Information Systems (ECIS), MÜnster, Germany, 2015.

Program Committee, The 2nd International Workshop on Evolving Security and Privacy Requirements Engineering (ESPRE), Ottawa, Canada, 2015.

Program Committee, The 8th International i* (iStar) Workshop, Ottawa, Canada, 2015.

Program Committee, The 16th International IEEE Conference on Business Informatics (CBI), Geneva, Switzerland, 2014.

Program Committee, The 9th Mediterranean Conference on Information Systems (MCIS), Verona, Italy, 2014.

Program Committee, The 1st International Workshop on Evolving Security and Privacy Requirements Engineering (ESPRE), Stockholm, Sweden, 2014.

Program Committee, The 7th International Workshop on Requirements Engineering and Law (RELAW), Stockholm, Sweden, 2014.

Program Committee, The 7th International i* (iStar) Workshop, Thessaloniki, Greece, 2014.

Program Committee, The 8th TEE Workshop: Transformation & Engineering of Enterprises, Geneva, Switzerland, 2014.

Program Committee, TEE-8-CS - TEE-8 case studies, Geneva, Switzerland, 2014.

Program Committee, 6th International Workshop on Requirements Engineering and Law (RELAW), Rio de Janeiro, Brasil, 2013.

Program Committee, The 5th International Workshop on Requirements Engineering and Law (RELAW),Chicago, USA, 2012.