QuickBooks Certified ProAdvisor - QuickBooks Advanced Certification




The EffEx Team



QuickBooks Certified ProAdvisor - QuickBooks Advanced Certification
Contact Diana

Contact Dennis


Links of EffEx



Diana Brock Makes
Dennis J. Makes

1999 - 2016


The EffEx Team


... loves to solve problems! Whether it is a QuickBooks question, or a question about your Windows computer, Diana and Dennis want to help you.

And yes ... we believe the process of learning and finding solutions can be FUN with a Positive Attitude!


Diana Brock Makes

Diana Brock Makes
is the Principal of
The Efficiency Experts.  


With over forty years of business experience, Diana has worked in many small companies as executive secretary, administrative assistant, financial controller, office manager, HR director, marketing and sales administrator, and corporate consultant. Diana was also instrumental in a successful Initial Public Offering (IPO) in Sacramento, California.  It is apparent that her background has involved all aspects of a small business!  


When Diana started The Efficiency Experts in 1997, she organized small businesses in Sacramento, CA.  Enjoying the early excitement of the Internet, she also taught herself website design and designed and created several award-winning web sites. 


In 1999,she became a Certified QuickBooks ProAdvisor, and then moved to Sahuarita in 2000 (located in Southern Arizona, just south of Tucson).  She earned her Advanced Certified QuickBooks ProAdvisor Certification in 2007. 


Diana does understand that QuickBooks can be frustrating without the proper training. Therefore, her focus is clearly aimed at helping small businesses utilize the appropriate Intuit product: QuickBooks Pro, QuickBooks Premier, QuickBooks Enterprise, QuickBooks Online and even QuickBooks In The Cloud to work flawlessly within each client's business.


Diana has a diverse and wide-spread client base, due to her ability to work remotely with clients anywhere in the USA.  All that a client needs is high-speed Internet, a phone, and the desire to learn QuickBooks!


Please contact Diana if you have any questions about your QuickBooks.


Dennis J. Makes

Dennis J. Makes
serves as the InfoTech Manager for The Efficiency Experts.  


His University Degree brings a background in digital technology, video imaging, cinematography and medical photography.  In 1983, Dennis co-founded Ophthalmic Imaging Systems (OIS) in Sacramento, California, where he led the company into developing numerous leading edge computer imaging products in the medical field.  In May of 1992, Dennis launched a profitable Initial Public Offering on the NASDAQ market, and his company was later awarded its first patent for the Glaucomascope, a diagnostic imaging system.  From 1993 to 1998, Dennis expanded OIS' global presence as Executive Vice President of International Business Development.  


Since 1998, Dennis has consulted with various domestic and international clients in the area of information technology, business development, computer hardware and software procurement, network deployment, and Internet strategy.


Dennis understands!Dennis understands how frustrating computers can be. He states "my primary goal is to work hand-in-hand with our small business clients to make leading-edge information technology function in the real world ... the simpler, the better."


Dennis has a large client base, due to his ability to remotely log into any computer in the world. The only requirement is a broadband Internet connection and a small applet that is downloaded onto the computer. This allows him to provide maintenance, software updates, and repair services.


Please contact Dennis if you have any questions about your computer.



The Efficiency Experts believe that solid administrative, financial, and technological systems are indispensable to a successful business. With the "quickening" of time and the ever-increasing challenges of business today, engaging an outside consultant can often be the most efficient and cost-effective way to ensure the competitive edge.