Theona was born in Ploiești, a small town in Romania. She pursued her studies af The University of Edinburgh and graduated with a Masters in Chemistry with Industrial Experience. Theona undertook a year-long industrial placement at Solvay in Stamford, CT, where she provided analytical support to the Polymer Additives department. This role sparked her interest in polymer science and upon her return to Edinburgh, she worked on her Masters project under the supervision of Prof. Michael Shaver and Dr Jennifer Garden, focusing on the synthesis of polystyrene mimics from biorenewable feedstocks. She re-joined the group in Manchester for her PhD and she is working on the synthesis and characterisation of novel monomers and polymers.