As a result of the charitable contributions achieved through the Owen Hart Foundation, Martha was named Individual Philanthropist of the Year in 2004 by the AFP.

[7] Hart presented findings on the program at a number International Attachment Related Conferences in New York, London, Miami, Prague; and in Vancouver.

[8][9] The ATTACH Program is funded by Harvard University's Centre for the Developing Child as one of their Frontiers of Innovation projects.

Hart's past research also consisted of working on a University of Cambridge-based longitudinal project investigating the early origins of children's problem behaviour/self-esteem within a diverse sample, and how social correlates predicts such characteristics, while focusing on children's friendship/sibling/teacher relationships, as well as mother's parenting style and mental states (e.g. self-esteem, depression) and the impact on children's social (problem) behaviour and mental states (e.g. self-esteem) and prosocial behaviour in single/non-single mother households.

[14][15] She has published various peer-reviewed papers, including a top cited article in the 2020–2021 Infant Mental Health Journal on the effect of parental reflective function[16] and has co-edited Development and Adaptation: Seminal Papers on the Dynamic-Maturational Model of Attachment and Adaptation, published by Waterside Press, and she has also co-authored with another book in publication titled Parenting and Child Development.

[21] Hart is also trained by Howard Steele in RF (PDI), and in Reflective Family Play by Dianne Philip – at The Hincks-Dellcrest Centre Toronto.

In 2017, for Canada's 150th birthday, The Owen Hart Foundation wanted to honor a Canadian artist and therefore featured Sarah McLachlan on December 1, 2017, to mark their 18th anniversary.

Famed actor and SNL superstar Alec Baldwin performed for the OHF's 19th anniversary annual event on November 30, 2018.

[27] At Double or Nothing in May 2022, Martha Hart appeared at the event to congratulate the Owen Hart Cup's inaugural male and female winners, Adam Cole and Dr. Britt Baker;[29] Martha and her children previously were shown on the May 11, 2022 episode of AEW Dynamite, but did not have a live television appearance.

[34] In the end she remained friends with only Keith, Wayne and Bret Hart out of Owen's ten living siblings.

[1] Martha sued Diana and claims that Diana's book, Under the Mat: Inside Wrestling's Greatest Family, is both slanderous and libelous, and had it removed from markets everywhere; Martha was issued a public apology by the publishers, who were also required to give an undisclosed amount as a donation to the Owen Hart Foundation as stated in the settlement agreement.

[37] On April 9, 2014, Nancy Grace of CNN/HLN ran a show on the death of The Ultimate Warrior; the segment focused on wrestlers who had died of drug abuse.