Roger Bullock, @ Oryzon Genomics
Biopharmaceutical company Oryzon Genomics has named Roger Bullock its Chief Medical Officer. He will be responsible for executing the clinical development plan of the epigenetic drugs developed by the company.
Paolo Paoletti, @ GammaDelta Therapeutics
London-based immunotherapy developer GammaDelta Therapeutics has hired Paolo Paoletti as Chief Executive Officer. Paoletti was formerly the first appointed President of GSK Oncology, where he was responsible for the overall oncology business.
Ellen Donnelly, @ Modus

Modus Therapeutics AB, a Karolinska Development portfolio company developing treatments for sickle cell disease, has appointed Ellen K. Donnelly as CEO. Donnelly joins from Pfizer, Inc, where she most recently was responsible for Clinical Operations for the Neuroscience and Pain therapeutic area.

John Brennan, © EuropaBio
The European biotech industry association EuropaBio has named John Brennan as its new Secretary General. The life sciences expert will take over his new position in June. 
Luis Solera, @ Bioiberica

In April, Luis Solera assumes the position of CEO at Barcelona-based biotech Bioiberica. He joins from LIPSA, a leading family business in the oils and fats sector.

Viktor Drvota, @ KDev
Following the resignation of erstwhile CEO Jim Van heusden, Karolinska Development has promoted Viktor Drvota to the position of head of the company. Drvota held the position of Chief Investment Officer before.
Raymond Barlow, @ e-Therapeutics
AIM-listed drug discovery company e-Therapeutics plc has a new head. In early April, Raymond Barlow took over as Chief Executive Officer. 
Timo Veromaa, @ Domainex
Domainex has a new Executive Chairman: Timo Veromaa has been appointed to the Board of the British drug discovery services company.
Sam Agus, @ Hansa Medical
Hansa Medical, Lund-based developer of novel immunomodulatory enzymes, has recruited Sam Agus as Chief Medical Officer. Agus joins from H. Lundbeck AS, where he was Chief Specialist, Medical Affairs Neurology. 
Philip Bland-Ward, @ Crescendo
Cambridge-based immuno-oncology developer Crescendo Biologics had named Philip Bland-Ward as its Chief Scientific Officer. He joins Crescendo from Kymab where he was responsible for leading its most advanced development programme.