Brief: Grk Infra Names Perttu Piilo New CFO
May 22 (Reuters) - GRK Infra Oyj GRK.HE: CHANGE IN GRK INFRA PLC'S CHIEF FINANCIAL OFFICER APPOINTS PERTTU PIILO CFO PIILO TO REPLACE MARKKU PUOLANNE AS OF JULY 1 Source text Further company coverage: GRK.HE (Gdansk Newsroom) ((gdansk.newsroom@thomsonreuters.com; +48 58 7696600;))