She’s an artist that possesses a strong affinity for capturing the essence of individuals through her remarkable paintings, particularly portraits. Employing a painterly technique and a keen eye for detail, Gruiters skillfully crafts exquisite masterpieces using oil on wood panel or authentic Belgian Linen. Her artistic focus revolves around the captivating strength and delicate nuances of femininity, as she endeavors to encapsulate beauty and vulnerability within her works. Drawing inspiration from the realms of fashion, romance, and the natural world, particularly the enchanting allure of flowers, Gruiters' artistry truly flourishes.

She is a member of the Portrait Society of America, actively contributes to the art community as a board member of Antwerp Colors NPO. This association is dedicated to promoting art and supporting artists. Currently, Petra is pursuing her studies at the esteemed Royal Academy of Fine Arts in Antwerp. Interestingly, Petra embarked on her artistic journey later in life, following a successful career in Finance. Early in her adult life, she held the position of financial director at a mortgage bank. Later, she ventured into entrepreneurship, establishing her own company as a financial change manager/consultant. After embracing motherhood, Petra reignited her passion for painting, and now she cherishes her decision every day.

Petra's artistic creations have found their place in both private and corporate collections across The Netherlands, Belgium, Germany, Italy, Switzerland, Canada, and Japan. Her talent has been showcased through numerous solo and group exhibitions in The Netherlands and Belgium, garnering recognition in various Dutch newspapers and magazine articles. Additionally, Petra has shared her insights on art through a radio program. Notably, she has skillfully portrayed several individuals, including the Mayor of Gorinchem, The Netherlands.