The Welsh Language Commissioner's Leadership Team

The Leadership Team is the main forum within the organisation for making strategic decisions about operational issues, resources, communication and other administrative in order to implement the strategic plan and all other business planning processes, and for performance monitoring. The Remit of the Leadership Team fully explains the governance arrangements.  

Lowri Williams

Lowri W. Williams

Strategic Director and Deputy Welsh Language Commissioner

Lowri Williams is the Strategic Director responsible for leading the work of the Policy, Hybu, Communications and Infrastructure and Research teams.

Lowri is from Bangor. After twelve years living in Cardiff, she has now settled in Caernarfon.

She has a combined degree in Welsh and Spanish from Aberystwyth University where she also studied an MA in Spanish. She spent a year of her degree working in the Basque Country and after that she spent time traveling through Central and South America. Shee has worked for the Welsh Language Commissioner for ten years in positions in the field of Welsh language policy and infrastructure, and before that she led the Welsh Language Board's corpus planning work. She has spent her career promoting and facilitating the use of the Welsh language working as an academic coordinator for the Coleg Cymraeg Cenedlaethol with the aim of establishing a professional translation studies course, a Welsh for Adults tutor, a terminologist, and a language officer for one of the national lottery charities. She has also served on the board of Mudiad Meithrin and the Llety Arall community initiative.

Lowri is currently the chairman of Elusen Ogwen which allocates grants to environmental and social projects in the Ogwen Valley with money from the profits of a local cooperative energy project. That valley is close to her heart and she enjoys exploring its mountains and working with her father to maintain a website about its rich history.

Siân Elen McRobie

Siân Elen McRobie

Director of Governance and Corporate Services

Siân Elen McRobie is the Commissioner's Director of Governance and Corporate Services. Her work includes taking specific responsibility for a number of duties in governance including corporate risk, information risk, data protection and other legislation commitments as well as leading the work of the human resources, finance and resources departments.

She has a degree in Law and Welsh from Aberystwyth University and has worked for the Commissioner for over a decade in positions in the regulatory field. She is also a Lay Member of the Wales Adjudication Panel.

She has settled in Anglesey, where she grew up, with her husband and young daughter and is an enthusiastic member of the local Clwb Gwawr.

Osian Llywelyn

Director of Regulation

Osian Llywelyn is the Director responsible for setting a strategic direction for the Welsh Language Commissioner's regulatory work. The job includes setting and enforcing duties on organisations to use the Welsh language.

Originally from Pontypridd, he had his secondary education at Ysgol Gyfun Rhydfelen before moving to study Law at Aberystwyth University. He enjoyed travelling around South America but has now settled in Cardiff for almost fifteen years.

Osian worked for the Welsh Language Board and the Welsh Language Commissioner where he was responsible for setting the first Welsh language standards for public bodies back in 2015. Osian has also worked as Head of Regulatory Policy for Qualifications Wales, the regulator of qualifications that are offered by recognised awarding bodies in Wales.

He enjoys following Swansea City Football Club, the Welsh national football team and loves collecting records.