Lexington, Massachusetts 33+ years mediating

Les Wallerstein

Senior Mediator

Attorney & Mediator · Attorney

My practice specializes in mediation and non-adversarial family law. I believe it is especially important to avoid the ravages of litigation when children are involved. The majority of my mediation clients are actively seeking to divorce. I also mediate all of the following: pre-marital agreements (formerly known as prenuptial agreements), marital agreements i.e., conflicts between spouses who have not decided to divorce (formerly known as postnuptial agreements), post-divorce disputes and cohabitation (and co-tenancy) agreements between unmarried partners. As collaborative counsel I am committed to the least adversarial practice of law possible. I believe collaborative legal representation offers the best hope for a non-adversarial resolution when mediation is not an option. I am a practicing attorney with a master’s degree in psychology. As a psychotherapist I worked with individuals, couples, families and groups for 20 years before becoming a lawyer.

Measured outcomes

Transparent benchmarks to help you choose the right specialist.

35
Years practicing
33
Years mediating
Focus areas

Personalized programs built around your goals.

Virtual & in-person Same-week starts
Family Law MediationDivorce & SeparationChild Custody & VisitationPre-Nuptial Agreements
How we collaborate

Client-centered, non-adversarial

Specializes in mediation and non-adversarial family law, focusing on avoiding litigation when children are involved.

Transparent plans

No surprises—choose the format that fits your needs.

Verify coverage

Hourly rate

$350

Minimum fee

$3,000

Format Duration Amount Notes
IN_PERSON HOURLY $350 Hourly fee for divorce mediation. Clients sign a fee agreement and pay $3,000 as a retainer.
Care navigator

Phone: (781) 862-1099

Schedule consultation
Related programs
  • Family Law Mediation
  • Divorce & Separation
  • Child Custody & Visitation
  • Pre-Nuptial Agreements