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Our Team

Josip Aralica, MD

Josip Aralica, MD, founder and CEO of Altiora.

Josip Aralica graduated from the Medical School at the University of Zagreb, where he was subsequently a Research Fellow at the Medical School's Institute of Pharmacology. Dr. Aralica completed a Doctoral Study in Biomedicine and Health Sciences and is currently working on his dissertation. In 1998, Dr. Aralica was recruited by Quintiles and became its second employee in Croatia. After three years at Quintiles, during which time he started-up Quintiles' Zagreb office, Dr. Aralica decided to start his own firm. He founded Altiora in 2001. Since then, Altiora has grown steadily, and has doubled its no. of employees. Today Altiora is a highly respected, independent CRO that operates across the region of Central and Eastern Europe and conducts clinical trials through various phases of clinical development. In November 2004, Dr. Aralica founded the Croatian Association of Clinical Research and remains its president. Through the activities of the Croatian Association of Clinical Research,Dr. Aralica has established good relationships with all stakeholders involved in Clinical Trials in the region, which has confirmed him as the regional leader in this area of business.


Denis Brkic, DMD, MSc, MHA

Head of Clinical Operations

Dr. Denis Brkic oversees all clinical operations within Altiora's portfolio and is directly involved in the leadership and management of all clinical operation teams, in all countries. He is involved in strategic planning, resource allocation and business decisions at an organizational level. Dr.Brkic received his graduate and Master of Science degrees at University of Zagreb in Croatia, followed by a Postgraduate Master's degree in Health Administration from the University of Phoenix. Thereafter, Dr.Brkic completed a doctoral study at the University of Zagreb and is currently writing his dissertation in pre-clinical research. He has participated in and completed numerous GCP courses, of different levels and topics, as well as undertaking people management education. Post graduation, Dr.Brkic worked for 3 years in the Health Care sector, prior to moving into the pharmaceutical sector. From 2000 to 2006 he worked as a Clinical Research Associate, for Janssen-Cilag in Croatia, with responsibilities of monitoring, local trial management and project management of clinical trials across phase I-IV. His additional role was to act as a local GCP manager, with responsibility for creating and writing local SOPs, process flows and training of staff. From 2006 to 2010 he worked as a Clinical Research Manager, for Johnson & Johnson in Croatia,representing their R&D unit at affiliate board level. His responsibilities in this position involved overall responsibility for the clinical research unit on a country level, including budgeting, staffing, regulatory business, quality assurance, partner collaboration, vendor negotiation and contracting. From 2010 he has worked as the Head of Clinical Operations for Altiora. Throughout his career, Dr.Brkic has proven his record in establishing and leading clinical trial teams and organizations. He has been very successful in management of phase I studies,for which he received an Encore award, for completion of phase I studies ahead of timelines and exceptional commitment.


Roman Mossor, MD

Country Operations Manager for Poland, Czech Republic and Slovakia

Dr Mossor is directly involved in management of clinical operation teams in allocated countries. Dr. Mossor received his graduate degree at Warsaw Medical Academy and has finished postgraduate studies, on personnel management, at Polish Open University. Dr. Mossor is actively involved in Internal Disease Scientific Association. After graduation, Dr. Mossor worked for 1.5 years in a public hospital, in the Nephrology Department, prior to entering to the pharmaceutical sector. For one year he worked as sales representative in Krka. From 2003 to 2005 he was employed as a Clinical Research Associate and subsequently as a Clinical Research Coordinator for Merck in Poland, with responsibilities of monitoring and local trial management of clinical trials phase II-IV. From 2005 to 2009 he was a Medical Monitor at Wyeth, with ultimate responsibility for patients' safety, ensuring that trials were run according to GCP. His duties also included responsibility for medical decisions by Sponsor and running project management for small projects. From 2009 to 2011 Dr Mossor worked as a Project Manager in Roche, supervising large projects run in Central and Eastern Europe Region, including contracting vendors, budget and personnel decisions. Since 2012 he has worked as the Altiora's Clinical Operations Director for Poland. Throughout his career, Dr. Mossor has been successful in many leading clinical trial teams and has always exceeded expectations in his projects, for planned timelines and recruitment figures.


Tibor Danelisen, MD, MSc. Psychiatrist

Country Operations Manager for Serbia, BiH, Bulgaria and Romania

Dr. Tibor Danelisen overseesall clinical operations within Altiora's portfolio and is directly involved in management of clinical operation teams in allocated countries. He is involved in strategic planning, resource allocation and business decisions within thosecountries. Dr.Danelisen received his graduate degree in medicine at University of Banja Luka in Bosnia and Herzegovina, as well as his Master of Science postgraduate degree. During his education in medicine he studied theology for two years, at Theological School of Orthodox Church at University of Belgrade in Serbia. Dr.Danelisen is currently writing his PhD at University of Banja Luka, Bosnia and Herzegovina, in field of Psychiatry. After graduation, Dr.Danelisen worked for 5 years in Psychiatry Clinic; University Clinical Center of Banja Luka, as an intern and later as a psychiatrist. During that time he finished several courses in field of Psychiatry (Psychotherapy of psychosis, REBT psychotherapy, Cognitive-behavioral psychotherapy etc), and was founder and director of the Counselling office for drug abuse and therapeutic communities for long term treatment of drug addicts. In 2006, he moved into the pharmaceutical sector. From 2006 to 2007 he worked as Clinical Research Associate for INC Research in Serbia, with responsibilities of monitoring, local trial management and project management of clinical trials phase I-IV. From 2006-2010, Dr Danelisen was a member of the Central Ethics Committee of Bosnia and Herzegovina Drug Agency and took part in writing the rulebook for conduct of Clinical trials in BiH, as well as being involved in changes to the law on medicine concerning Clinical trials conduct in Bosnia and Herzegovina. From 2007 heworkedas the Office manager and senior CRA in Altiora's Belgrade office and was actively involved in the opening of that office. From 2008 he has worked as Country Operations Director for Altioraand was again involved in the opening of our new offices in Macedonia and Bosnia and Herzegovina. Throughout his career, Dr.Danelisen has proven his record in Psychiatry, with over 15 published papers and is author/co-author of 5 published books. He has a solid knowledge in the field of clinical trials conduct and in leading clinical trial teams and organizations.

Corporate address


Head Office

  • City:Zagreb, Croatia
  • Address:Novačka 335
  • Postcode: 10040
  • Phone:+385 1 290 22 00
  • Fax:+385 1 290 22 88
  • Mob:+385 91 311 93 98

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