Alexander is a specialist in high-value matrimonial finance and claims for financial provision under Schedule 1 to the Children Act. He maintains a broad practice including Trusts of Land claims. He has also been regularly instructed in intervener claims and cases that involve an overlap between family and civil law and procedure. Alexander represents individuals, trustees and companies, and has advised in international cases before the courts in Jersey, Gibraltar and Bermuda.

Alexander sits as a family Recorder in the Central Family Court and the Financial Remedies Court, and as a criminal Recorder in the Crown Court. He is an experienced private FDR judge and arbitrator and fellow of the International Academy of Family Lawyers. He is also a member of the FLBA, Chancery Bar Association and Resolution and a former panel member of Bar Tribunals and Adjudication Service.