Marcus is ranked as a ‘Star Individual’ Personal Injury Junior Barrister in Chambers & Partners (London) 2020 and was ranked as the only ‘Star Individual’ Personal Injury Junior Barrister in Chambers & Partners (London) in 2017, 2018 and 2019. He was named Personal Injury/Clinical Negligence Junior of the Year in Chambers & Partners UK Bar Awards 2016 and was nominated as the 2017 Legal 500 Personal Injury and Clinical Negligence Junior of the Year.
His specialism is head injury, chronic pain and spinal litigation. He is noted for his leadership in exploring recent neurological and chronic pain developments in the Courts and is regarded for his insight into the nuances of the medicine and his tenacity in handling medical experts in his specialist areas. He is noted too for taking a lead in the thorny issue of recording of medicolegal assessments and appeared in the lead cases of Macdonald (By His Litigation Friend Lindsay Macdonald) v Burton  EWHC 906 (QB) and Mustard v. Flower & Others  EWHC 2623 (QB).
Called 1993; Lincoln’s Inn. He takes on cases for Advocate, The Pro Bono Charity for the Bar. He teaches on the Inn’s New Practitioners Advocacy Training Programme. He has mentored 12 pupils
Published in ‘The Times’, ‘Personal Injury Law Journal’ and ‘British Pain Society Journal’; Presented seven PIBA lectures to peers;
Family, Andalucía, Headway, Glass Door, the Athenaeum, Rachmaninov, Liverpool FC