About Us


The Benefit of Experience and Teamwork

The Buchanan and Shaw team is dedicated to providing you unsurpassed service, selection, and expertise. Mark and Brian have been the top producing loan officers for their company every year since 1996. They have been ranked among the nation’s top 200 loan officers for all banks and mortgage companies combined since 1999. With over 30 years of combined experience, you can rest assured your loan is in good hands.


Mark Buchanan

Mark graduated with a degree in Finance from the University of San Diego in 1990. With over 20 years in the lending industry, he is well versed in all aspects of mortgage lending. Mark has developed an outstanding reputation, delivering the highest level of service with every transaction. His professionalism, dedication, and extensive knowledge have earned him high marks among his clientele. Whether it’s purchase, refinance, land or construction financing, you can rest assured that your transaction will go smoothly when you choose San Diego Funding and Mark Buchanan.

Phone: 858-356-4006
Fax: 858-228-9919


Brian Shaw

Brian is a 5th generation San Diego native with a degree in Economics from UCSD. Since beginning his career in mortgage lending in 1999, he has been a top producing loan originator his entire career. Brian works with San Diego Funding where he is known for his strong work ethic and connection with clients. He excels in purchase lending and has developed very tight relationships throughout the real estate industry. He says his focus is on trust. When he puts his clients’ needs first, all parties do better together.

Phone: 858-356-4005
Fax: 858-228-9919

Mark and Brian work as team on every transaction and have closed over 6,400 loans totaling over 1.3 billion dollars since 1998.