Our Leadership Team

A collaborative approach drives Sunbelt New Mexico’s success as we assist you with each step in buying or selling a New Mexico business. Our leadership team has expertise in acquisitions, commercial finance, strategic growth, and business investment opportunities. Throughout your experience with Sunbelt New Mexico, we work together to provide you with informed, efficient and effective service to meet your financial objectives and personal goals.

Michael Greene


Michael Greene, president of the New Mexico business brokerage firms Sunbelt New Mexico and Sam Goldenberg & Associates

Michael Greene
President

Due to his considerable management experience and practical approach, Michael Greene is a recognized authority on New Mexico’s small business and middle market acquisitions and opportunities. A business broker for over 25 years, he has personally ushered hundreds of restaurants, retail, art galleries, hospitality and middle-market privately held businesses to a successful sale. His demonstrated ability has powered his rise as one of New Mexico’s leading business brokers and M&A specialists. He has helped numerous individuals pursue their dreams, secure their livelihoods, and become their own boss.

After graduating from Harvard Law School, he practiced business law in Southern California where he concentrated on mergers and acquisitions. Since moving to New Mexico over 25 years ago, he has held his New Mexico real estate broker’s license. He presided over a Prudential real estate brokerage focused on commercial real estate and business brokering for over 10 years. In 2002, he helped found the strategic consulting firm The Goldsmith Group, where he managed a portfolio of regional and national clients. In this capacity, he restructured businesses, stream-lined operations, identified new revenue opportunities, and helped organizations focus upon their core competencies.

Since taking the helm of Sam Goldenberg and Associates in 2007, he has grown it into the foremost business brokerage in New Mexico. He founded its sister company Sunbelt New Mexico to serve as New Mexico’s exclusive affiliate of the Sunbelt Network and to serve the entire state as well as parts of southern Colorado. 

J. Erika Munde

J. Erika Munde
Marketing & Media Relations

Erika works with Michael to promote Sunbelt New Mexico and our businesses for sale throughout New Mexico and beyond. Since graduating from UofM – Ann Arbor, Erika has made her career in marketing and design. She maintains the websites, puts together the business marketing packages, develops the Confidential Business Reviews, produces the slideshows, writes the press releases, and interfaces with the media. 

Prior to joining Sunbelt New Mexico, she served as the director of an independently-owned, medium-sized real estate agency and worked as a trade journalist writing highly technical articles regarding special-format film and themed attractions, from zoos to special effects theaters in China. A resident of Santa Fe for nearly 25 years, Erika has been active in many community organizations and has served on a number of civic-related boards.

Tamara Dawn Johnson

Tamara Dawn Johnson,
Marketing Associate

Tamara has a varied professional background in the arts, sciences, economics and policy research, and education. Before moving to Santa Fe, she worked at the New York Academy of Sciences, helping academics who wanted to cross over to the private sector and running mentorship and public education programs. She also spent over five years living in Asia, during which time she designed and implemented innovative experiential education programing, conducted teacher training programs, researched international education policies, and served on the board of a school for refugees in Kuala Lumpur.

She has received awards for entrepreneurial concepts in startup contests and taught human centered design thinking locally and internationally. She also has extensive journalism experience, writing about dance, science, policy, and economics.

Additionally, Tamara has been an avid dancer for her entire life, performing and teaching in the United States and abroad.

Tamara works with SGA’s media and communications initiatives.

Sage Morris-Greene

Sage Morris Greene
General Manager,
The Original Santa Fe and Canyon Road Walking Map