Lanning joins as fund manager and deputy head of multi manager, subject to FSA approval.
He previously worked at Arbuthnot Latham & Co as head of collectives research. Prior to this he spent six years as director of research and investment at Origen.
Trowsdale joins as a senior analyst from Kleinwort Benson where she was fund research analyst responsible for selecting and monitoring funds.
Gartmore head of multi manager Bambos Hambi says: “I am delighted that Tony and Katie, both of whom I’ve known for some time, will be joining the team. During my 20 years in this industry I have come across many good people and I am extremely pleased Gartmore has been able to attract two of the best. They both have strong credentials and high quality experience in the field of fund selection. More importantly I am also confident that they will fit with our existing culture and investment philosophy.”