Michael Mosberg is a highly respected family law attorney based in New York City. He is well known for representing high-net-worth clients in complex divorce and custody cases. His deep legal knowledge, courtroom skill, and professional approach make him one of the most recognized names in family law today. While many people first heard his name because of his connection to actress Jemima Kirke, his career achievements stand firmly on their own. In this article, you will learn who Michael Mosberg is, details about his legal career, his personal life, and his contributions to the legal community.
Quick Bio of Michael Mosberg
| Attribute | Details |
|---|---|
| Full Name | Michael Mosberg |
| Profession | Family Law Attorney |
| Firm | Mosberg Sharma Stambleck Gross LLP |
| Education | B.A. University of Michigan, J.D. Brooklyn Law School |
| Specialization | Divorce, Child Custody, Matrimonial Law |
| Location | New York City, USA |
| Notable Recognition | ABA Chair, Super Lawyers, Best Lawyers in America |
| Marital Status | Divorced from Jemima Kirke |
| Children | Rafella Israel Mosberg, Memphis Kirke Mosberg |
| Public Role | Legal Education, Public Speaking |
| Years Active | 1997–present |
| Wikipedia/Wiki | No verified page |
| Net Worth | Not publicly confirmed |
Early Life of Michael Mosberg
Michael Mosberg grew up in the United States with a strong interest in law and helping people through difficult situations. Public information about his exact birthday or age is limited. Based on his education timeline, he is likely born in the late 1960s or early 1970s. From a young age, he demonstrated dedication, discipline, and a drive to excel academically and professionally.
He attended the University of Michigan, where he earned a Bachelor of Arts degree with distinction. Following this, he pursued law at Brooklyn Law School, graduating with a Juris Doctor (J.D.) degree in 1997. During law school, he was a member of the Moot Court Honor Society, which honed his legal advocacy skills. After graduation, he passed the bar exams and became licensed to practice law in New York and Connecticut.
Career and Legal Practice
Michael Mosberg began his legal career working in established law firms, gradually building a reputation in family law, particularly for high-net-worth clients. Over time, he co-founded Mosberg Sharma Stambleck Gross LLP, a boutique firm focused on family law. The firm handles divorce, child custody, support matters, equitable distribution of assets, and prenuptial agreements, often in complex and sensitive cases.
He is known for his strategic approach in legal matters, balancing negotiation, settlement, and litigation. Clients describe him as calm, highly prepared, and empathetic, qualities that make him both approachable and authoritative in the courtroom. Many families choose him for his professionalism and discretion.
Leadership in the Legal Community
Beyond his private practice, Michael Mosberg is a leader in the legal field. He served as Chair of the American Bar Association Family Law Section, a prestigious role influencing national standards and legal education. He also held leadership positions in the New York City Bar Association and the New York State Matrimonial Practice Advisory and Rules Committee, contributing to the development of family law policy and practice.
His peers recognize him not only for legal skill but for his commitment to mentoring other attorneys, promoting best practices, and improving the legal system for families across the country.
Honors and Recognition
Throughout his career, Michael Mosberg has received numerous honors. He has been listed in The Best Lawyers in America, Super Lawyers, and Lawdragon 500 Leading Family Lawyers. He is also recognized in Chambers and Partners, an authoritative legal directory. These accolades reflect both his skill and the respect he commands among peers and clients. Recognition in these directories is based on extensive peer reviews and verified accomplishments.
Writing and Public Speaking
In addition to practicing law, Michael Mosberg contributes to the education of other lawyers. He has written for legal publications, focusing on topics such as depositions, prenuptial agreements, and trial strategy. He frequently speaks at conferences and legal events, sharing his insights and experience. His presentations are valued for blending real-world experience with practical advice, making them useful to both junior and experienced lawyers.
Personal Life: Marriage to Jemima Kirke
Michael Mosberg became known to the public due to his personal life. In 2009, he married Jemima Kirke, a British-American actress and artist. Kirke is best known for her role as Jessa Johansson on HBO’s Girls and for her creative work in film and art. Their marriage attracted public attention, combining the worlds of law and entertainment.
During their marriage, both tried to balance professional and personal responsibilities. While Jemima Kirke pursued her acting and art career, Michael Mosberg maintained his high-profile legal practice and leadership roles in the legal community.

Children of Michael Mosberg and Jemima Kirke
Michael Mosberg and Jemima Kirke have two children. Their daughter, Rafella Israel Mosberg, was born in 2010, followed by their son, Memphis Kirke Mosberg, in 2012. Raising children while managing demanding careers was a priority for both parents. They worked to provide a stable and nurturing environment while protecting their children’s privacy from the public eye.
Separation and Divorce
Around 2016, Michael Mosberg and Jemima Kirke separated, and their divorce was finalized in 2017. Despite ending their marriage, both have focused on co-parenting and maintaining a healthy family life for their children. Their approach has been largely private, reflecting Michael Mosberg’s professional discretion and emphasis on family well-being.
Co-Parenting and Life After Divorce
After the divorce, Michael Mosberg remained actively involved in the lives of Rafella and Memphis, emphasizing emotional support and stability. He continued his legal work, balancing career and family responsibilities. His experience in family law likely guided him in managing this transition with professionalism and care, minimizing conflict and maintaining harmony for his children.
Public Perception and Online Information
Many people search for Michael Mosberg online, often seeking Wikipedia or wiki pages. Currently, there is no verified Wikipedia page for him. Credible information is primarily found on his law firm’s website, legal directories, and professional biographies. Some online sources speculate about his age, net worth, and personal life, but verified facts include his legal career, education, marriage to Jemima Kirke, and their children.
Age, Birthday, and Personal Details
Public information about Michael Mosberg’s age or birthday is limited. Legal profiles and professional directories focus more on his career achievements and contributions than personal life. Estimates based on his graduation timeline suggest he was born in the late 1960s or early 1970s, but this remains unconfirmed. His focus on privacy reflects his professional approach to personal matters.
Net Worth and Professional Influence
While some sources attempt to estimate Michael Mosberg’s net worth, no authoritative figures are publicly confirmed. Instead of focusing on financial speculation, it is more meaningful to highlight his career accomplishments, legal influence, and recognition by peers and clients. His reputation as a top attorney and thought leader in family law is a more reliable indicator of his professional success.
Key Achievements of Michael Mosberg
Michael Mosberg is widely recognized for:
- Serving as a top family law attorney in New York
- Representing high-net-worth clients in complex divorce and custody cases
- Leadership roles in the American Bar Association
- Writing and speaking for legal education
- Marriage to Jemima Kirke
- Raising Rafella Israel Mosberg and Memphis Kirke Mosberg
- Maintaining professionalism and discretion in both personal and professional life
Why Michael Mosberg Matters
The life of Michael Mosberg demonstrates how professional skill, personal dedication, and leadership can combine. He has successfully navigated high-profile legal cases, led professional organizations, and managed a complex family life with discretion. His story highlights the intersection of law, family, and personal resilience.
Frequently Asked Questions (FAQs)
- Who is Michael Mosberg?
Michael Mosberg is a top family law attorney in New York, known for handling high-profile divorce and custody cases. - What is Michael Mosberg known for?
He is recognized for his legal expertise, leadership in the American Bar Association, and his marriage to Jemima Kirke. - Does Michael Mosberg have children?
Yes, he has two children with Jemima Kirke: Rafella Israel Mosberg and Memphis Kirke Mosberg. - What is Michael Mosberg’s profession?
He is a lawyer and founding partner at Mosberg Sharma Stambleck Gross LLP, specializing in family law. - Is there information about Michael Mosberg’s age or net worth?
His exact age and net worth are not publicly confirmed, but he is highly respected for his decades-long career.
Conclusion
Michael Mosberg is not only a prominent attorney but also a figure connected to public interest through his marriage to Jemima Kirke. His career achievements, leadership in the legal community, and role as a parent make him a respected and influential figure. By focusing on professionalism, discretion, and excellence, Michael Mosberg continues to leave a significant mark in family law and the lives of those he represents.
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