Who we are


We are a multi-disciplinary team with the expertise to analyse safety and effectiveness of technologies, their costs, ethical, organisational and legal implications, as well as patient and citizen aspects.


Pasi Aronen has over fifteen years of experience in health economics, health technology assessment and outcomes research. His main focus has been on conducting, or acting in an advisory role on, statistical analyses and modelling in economic evaluations. In addition, he is interested in decision analysis methods and project appraisal. Recently, he has deepened his knowledge of data science, data management and data mining.

Neill Booth is a health services researcher, who has mainly specialised in economic evaluation related to HTA for the last 20 years. Neill's interests include the critical appraisal of health-economic evaluations in practice, and their appropriate interpretation. Neill has worked, e.g., as a consultant for universities, research institutions, and ministries. Active memberships include HTAi, ISPOR, HESG and The Finnish Society for Health Economics.

Jaana Isojärvi is an information specialist with 15 years of experience in designing and undertaking comprehensive, high-quality literature searches to inform systematic reviews, HTAs and economic evaluations. Together with an international team of information specialists Jaana keeps Summarized Resesearch in Information Retrieval for HTA (SuRe Info) up to date. She is an experienced trainer and her active memberships include the HTAi Information Retrieval Group.

Marjukka Mäkelä is a professor and a specialist in general practice, who has more than 20 years experience in undertaking and supervising HTAs, evidence-based guidelines and systematic reviews. She also has wide-ranging experience in terms of international cooperation and collaboration in the field of HTA, having acted as the chairperson of both INAHTA and GIN, and having served on the HTAi board and as the editor-in-chief for International Journal of Technology Assessment in Health Care (IJTAHC).

Maija Saijonkari has over fifteen years of experience in undertaking HTAs, systematic reviews, of medical writing and information dissemination. She is especially interested in methodology relating to systematic reviews and in HTAs of diagnostic methods.