D v D  - a case involving allegations of non-disclosure, and sharing of future income from offshore contracts entered into during marriage.
Tchenguiz-Imerman v Imerman [CA 2010], which changed the law on disclosure and confidentiality of documents between spouses in divorce proceedings.
Two further reported decisions of Tchenguiz-Imerman v Imerman  relating to the joinder of trust beneficiaries to financial proceedings on divorce and consequential disclosure.
Acting for the father in the ground breaking children's case of C v C International Relocation , successfully opposing the mother's application to move with the children to live in the US. This case preceded the similar decision by the Court of Appeal in the landmark case of K v K later that year (in which Withers also acted for the successful father).
OS v DS  creating a new precedent for asset-tracing.
ThoughtLeaders4 - DR Future of Family Practice May 2022 'Deal making'
Resolution National Conference, Birmingham, May 2022 - Cohabitation agreements
ThoughtLeaders4 HNW Trusts and Divorce conference January 2021 - 'Divorce proofing - surviving an attack'
SGLC webinar on 'variation of orders in pandemic' June 2021
IBC Trusts in Divorce Litigation conference July 2018 - presented cross practice seminar
IAFL Stuttgart - September 2018 - cross jurisdictional panel on international service
Resolution National Conference, Newcastle, April 2016 - panellist on ‘Cohabitation Compared and Contrasted in England and Wales, Scotland and the Republic of Ireland'
IBC Conference on International Cross Border Estate Planning for Divorce, London, January 2016 - speaking on ‘Third Party Rights: How Does the Divorce Court Deal With Them'
STEP (in partnership with IAML) conference in London, December 2014 on the Family Business and Family Law - speaking on trusts and divorce
Legal Week Trust and Estates Litigation Forum, Provence, 2014 - chaired focus group on trust and divorce issues following UK Supreme Court decision in Prest v Petrodel Resources Limited
Legal debate in June 2014 on privacy and transparency in family courts - panel member (with High Court Judge and national newspaper editor)
American Bar Association RPTE Spring Symposia, New York, 2012 - speaking on ‘When a Marriage Goes Global - International Estate Planning Aspects of Marital Planning and Dissolution'
Butterworths Matrimonial Finance and Divorce conference, London, April 2010 and May 2011 - chair and speaker