Accounting, Finance, Human Resources & Operational Strength on Your Team in the East Bay

Optima Office East Bay provides local small-to-midsize companies with fractional Chief Financial Officers, Chief Operating Officers, and their professional supporting staff, who are well versed in addressing the needs of early-stage and scaling businesses. From the Bookkeeper to the CFO, COO and HR Support Services, we can fill your resource gaps or be your full back office.


Optima Office’s East Bay branch is led by Dore Hainer, an operationally savvy CFO with a passion for working with small-to-midsize growing companies. Dore works through a holistic lens, building financial and organizational processes, systems, and tools that coalesce to drive profitable growth, great work product, and high employee satisfaction.

Dore has enjoyed living in the San Francisco Bay Area for more than 25 years, where he has supported many company founders and owners as a trusted business advisor, helping them to start up, scale, turn around, buy, sell, and exit.


Along with his executive experience, Dore is a certified public accountant, holds a bachelor’s degree in history with a minor in business from Washington University in St. Louis, and holds a Master’s degree in organizational and industrial psychology from San Francisco’s Golden Gate University.

Dore is consistent in his core values of excellence, integrity, and respect.


Dore Hainer,Fractional COO & CFO

Force multiplier for growth

(510) 905-4366


We provide teams of experienced staff at each organizational level for less than the cost of hiring full-time employees. Our team links strategy to implementation, people to organizational objectives, and ensures the appropriate systems are in place to drive profitable growth.

We optimize your back-office functions without adding fixed overhead costs to your P&L. Our engagements are billed at an hourly rate. Optima serves close to 300 companies, focused primarily in the western United States.

Discuss your needs with Dore on a complimentary discovery call.

Benefits of working with Optima East Bay:

  • Access to a broad spectrum of experienced executives across industries
  • Clients do not add to their overhead burn, as our engagements are billed at hourly rates
  • A dispersed workforce of supporting staff allows clients to benefit from the lower fees we can charge for resources outside the SF bay area.
  • The collective experience and knowledge of the Optima team ensures that we have access to the internal resources required to bring a best practices approach to all engagements.
  • Skilled local support staff (staff on-site)
Our fractional finance and accounting services cover a wide spectrum of a company’s operations:

Chief Financial Officers

  • Our CFOs will oversee your accounting team while providing strategic guidance and support throughout your organization.


  • Optima provides a Controller to lead and oversee your accounting team, ensuring your financials are compliant, timely and accurate.


  • Design and implement business strategies, plans, and supporting systems and procedures
  • Create comprehensive goals for performance and growth
  • Manage relationships with partners and vendors

Information Technology

  • Risk Management and cyber security oversight and/or management interface with outside providers
  • Guidance on overall IT strategy and spend, operational procedures & compliance


  • Establish policies and procedures that promote company culture and vision
  • Lead, coach, and mentor employees
  • Establish recruiting, onboarding, training, and development procedures that ensure the continued growth of the company and its staff
Optima-recruitment (2)
Schedule a complimentary discovery call.