Our Team

We constantly strive to staff professionals with experience, top credentials and superior capabilities who serve our clients with efficient, professional and experienced service.

Siegfried G. Montano, Jr., CPA

The founder and managing partner of our firm first transferred to Albuquerque in 1973 as an Audit Manager with Peat, Marwick, Mitchell & Company (now KPMG), having practiced in their El Paso and Dallas, Texas offices. Two years later “Sieg” started this firm and he has been serving the local community and state ever since. Mr. Montano is recognized as an Outstanding Alumnus by the College of Business Administration and Economics as a Centennial Distinguished Alumni of New Mexico State University. Mr. Montano has published a voluminous number of articles during his career providing tax advice on a wide range of subjects but primarily pertaining to equine taxation. Mr. Montano has taught many courses at the university level and continuing education seminars to CPAs during his career; and continues to educate himself by regularly attending continuing education courses across the country, keeping current on cutting edge tax and accounting related topics.

Stanford L. Call, CPA

Mr. Call has been a partner  with Montano  & Associates  since 1991.  Mr. Call received his accounting  education  at Utah State University  where he received  a Bachelor  of Science  degree with a major  in Accounting.    Mr. Call previously  gained extensive  audit and accounting  expertise  at Ernst & Whinney  (now Ernst & Young).   Mr. Call has been primarily  responsible  for audits,  implementing  accounting  systems  and large-scale project management  and  is partner  in charge of the firm’s  governmental  audit division with emphasis  on special  audit services  to our National  Laboratories  and their contractors.

Gary G. McAlister

Mr. McAlister  began working  with Montano  & Associates  in 1993, has since worked  as a sale practitioner,  and is currently  an acting technical  manager  in our Tax Services Division.   Mr. McAlister  previously  worked  with Coopers  & Lybrand  (now PricewaterhouseCoopers),  as a Tax Manager;  Ernst & Young  as a Tax Manager,  and for KPMG Peat Marwick  (KPMG).   Mr. McAlister graduated  with  honors from the University  of Denver with  a Master  of Taxation  degree; from the University  of New Mexico with a Master  of Business  Administration,   Accounting  degree;  and with honors from the University  of New Mexico  with a Bachelor  of Business Administration,   Finance degree.   Mr. McAlister  offers expertise  in individual,  business,  complex  oil and gas and partnership  taxation.

Jim C. Griego

Mr. Griego is the operating manager of our Tax Department and has been a member of the firm since 1997. Mr. Griego is a former agent of the Internal Revenue Service (IRS), previously owned his own CPA firm in Hobbs, New Mexico, and his experience is a tremendous asset to our team and the services we provide. Mr. Griego is originally from New Mexico and graduated from the University of Albuquerque, with a degree in accounting.

Leslie M. Thompson, J.D.

LL.M. (Master of Laws in Estate Planning, With Honors), The John Marshall Law School, 2015; J.D., The John Marshall Law School, 2005; B.S., Psychology, DePaul University, 2001.
Ms. Thompson originally joined the firm in 2013 and was a key member of our tax practice. Ms. Thompson is a licensed attorney and is admitted to practice in the State of Illinois, 2007; the State of New Mexico, 2011; the United States District Court, District of New Mexico, 2012; and the United States Tax Court, 2013. Ms. Thompson worked for several years for a global bank in Chicago as a Custodian and Trustee in commercial mortgage-backed securities where she dealt with complex lending structures in both real estate and equity-based financing. Ms. Thompson also worked locally as a commercial litigator for over three years after returning home from the Chicago area to New Mexico, in 2010. Ms. Thompson primarily provides our firm with advice and assistance with state and federal examinations and appeals; estate and gift tax issues; trust taxation issues; and continues to guide our tax department on an ongoing basis. Ms. Thompson maintains an independent law practice, Montano Thompson, LLC, and represents legal clients with estate planning, trust formation, real estate transaction and business formation and succession issues.