Warwick is the Senior Partner of Kenna Teasdale Lawyers and has extensive experience at both legal and commercial levels with particular emphasis in commercial resolution of complicated matrimonial and family law matters. He has developed a well respected national and international reputation, and acts discreetly for private clients and families in complex and sensitive family law financial disputes, endeavouring to ensure sensible and creative resolution to the most difficult matters. Warwick has acted in corporate and trust restructures, advised on Directors' liabilities and duties and has provided legal advice on restructuring in high net worth family law matters. He does much of his own appearance work. He has lectured extensively, is a qualified mediator and is highly regarded as one of the leading family lawyers in the country. He has been recognised in "Doyle's Guide to the Australian Legal Profession" as "one of the market's most influential figures and is widely respected by peers".
Warwick is a keen Masters rower at National and International level and has been an enthusiastic tennis player and yachtsman. He has been a board member and chairman of a number of charitable, sporting and service organizations and enjoys cycling, reading and travelling. He retired in 2014 as a Captain in the Royal Australian Navy Reserve after 44 years service, and has visited the Antarctic on two occasions as a Member of the Australian National Antarctic Research Expeditions. He is a member of the Order of Australia (1989) and was an Honorary Aide-de-Camp to the Governor of Victoria for 30 years between 1982 and 2012.
Warwick is a member of the Law Council of Australia, and has been a member of the Law Institute of Victoria Family Law Executive and the Courts Practice Committee. He was for many years a Tribunal member of the Federal Costs Advisory Committee (Legal Fees Tribunal) and a Sessional member of the Victorian Civil and Administrative Tribunal.