Stanley D. Mager

Of Counsel

Phone: 404.261.0500

Phone Extension: 218

Email: Contact Stanley Mager

Stanley has over forty-five years of experience in all facets of business law, property law, estate and gift tax planning, probate and estate administration, he has dealt with a diverse spectrum of client issues and case matters. He has strived to develop client relationships that are long-term in nature, and has always made it a point to be focused on client objectives and responsive to client needs. His value premise has been to consistently offer legal solutions that are creative, effective and cost efficient.

In over 45 years of practicing law, I’ve learned that the most valuable skill that a lawyer can possess is the ability to listen carefully to clients.
~ STANLEY MAGER, Of-Counsel to Wagner, Johnston & Rosenthal, P.C.

Stanley enjoys the multigenerational dynamic of estate planning. His affinity for meeting and getting to know clients is appreciated and is a natural asset in the family oriented practice he has built. He is very practiced at adjusting client asset planning in response to legislative events and changing regulations. Stanley takes great pride in younger generation attorneys in mentoring them and watching them develop into superior professionals.

Stanley attended McGill University in Montreal, Quebec, Canada for undergraduate studies and law school and graduated magna cum laude with degrees in civil and common law. He began practicing law in Montreal in 1972 and moved to Atlanta in 1977. He attended Emory University School of Law for further legal education enabling him to write the Georgia Bar and to practice law in the State of Georgia commencing in 1978.

Practice Areas

Practice Areas

Wagner, Johnston and Rosenthal P.C. provides a range of legal services in the following areas:

  • Commercial Litigation
  • Commercial Real Estate Law
  • Corporate & Finance Law
  • Employment Law & Litigation
  • Estate Planning and Probate
  • Franchise & Business Opportunity Law
  • Health Care Law
  • International Business
  • Real Estate Litigation
  • Sports Law
  • Taxation and Tax Controversy
  • Trusts & Estates
  • Other Areas of Practice

Click on a topic to the left to learn more.

Our Attorneys


Our attorneys provide the most comprehensive legal service around. If you are an entrepreneur or small business in a bind, let us assist you. We pride ourselves in providing excellent service to our clients in a range of legal areas. With decades of experience in areas of practice from commercial law to health care and taxation, Wagner, Johnston and Rosenthal P.C. can help. Click on a name to the left to learn more about each attorney and their specialties.

Our Clients


Wagner, Johnston & Rosenthal represents a broad range of privately held businesses, executives and entrepreneurs. While a majority of the Firm’s clientele is based in the greater Atlanta area, the Firm also services clients located throughout the United States as well as in foreign countries.

The industries the Firm represents are as diverse as the economy: manufacturers and service industries, real estate developers, financial concerns, lending institutions, health care professionals and facilities, benefit consultants, software and technology developers, public service agencies, investment partnerships, travel agencies, private schools, engineering concerns, leasing companies, telecommunications concerns, hotel developers, franchisors and professional sports teams.