About The Corner Office


Established in 1995 with a notion that on-site training best serves the employees and the company. On-site training fosters long lasting business relationships and builds confidence.

Corner Office has developed a close association with other professionals in the areas of business development; website design, phone/voice mail systems, networking systems, marketing specialists, promotional specialists and more to augment your business requirements. The Corner Office uses a variety of bookkeepers to process onsite and offsite bookkeeping, all under strict Corner Office standards.

Diana Cohn, the founder, is an expert in software solutions for office automation with 25 years of solid professional experience with a background in diverse industries such as, but not limited to; manufacturing, technical applications, real estate, computer, various types of retail establishments and construction firms.
Diana feels that continued education is essential in remaining up to date on new technologies and concepts, so along with a BVE in Vocational Education, she and her associates attend many workshops, seminars, and classes. Ms. Cohn is able to attract a high number of clients as a certified professional advisor in QuickBooks and is always ready to give you a list of references so that you can hear from others about her expertise.
As an active member of the community she is a member of the San Leandro Chamber of Commerce, has graduated from the San Leandro Leadership program, as well as, been the Presidents of both Castro Valley Toastmasters and the East Bay Women's Network. While the EBWN enjoyed increased membership and a website, CV Toastmasters earned the highest award that can be given to a club. Never in it's history has that been accomplished. This attests to her ability to bring diverse people together and solve challenges.