Brian Delidow, Finance Expert in Millburn, NJ, United States
Brian Delidow

Finance Expert in Millburn, NJ, United States

Member since June 7, 2018
Brian's cost analysis skills have saved large multinationals and smaller enterprises $100+ million. His technical background in developing telecom and IT network cost models allows him to communicate effectively with the C-suite as well as line managers—a critical skill when gathering data for financial and operational modeling. Brian joined Toptal because he enjoys the project diversity, new challenges, and opportunities that freelancing offers.
Brian is now available for hire

Career Highlights


Case studies

Industry Expertise

  • Telecommunications
  • Financial Modeling
  • Project Management
  • Information Technology

Other Expertise


  • President

    2001 - PRESENT
    OffHook Consulting
    • Developed a driver-based product profitability model for a multibillion-dollar US communications company. Used geographic and industry benchmarking data to prepare competitive cost analyses for geographic and product-specific pricing assessments.
    • Prepared a 5-year financial forecasting model for non-profit. Results include product contribution, overall P&L, operating cash flow and balance sheet, and corporate KPIs. The model also allows for sensitivity analyses on expense, price, and demand.
    • Performed an international interconnection benchmarking study for the government of New Zealand. The government used the data to support changes in national telecommunications policy.
    • Prepared and executed an operational and staff transition plan to support the new executive management of a $70 million telecom services company.
    • Created an engineering-based pricing model for an $80 million service provider with a network of mainframe data centers. The CFO used product-specific volume-sensitive and non-volume-sensitive costs to establish product price floors.
    • Developed a network element cost analysis for a large US financial institution to support their telecommunication supplier negotiations.
    • Developed a driver-based budget for a $70 million telecom service provider.
    • Identified data anomalies and led efforts to identify the source, which ultimately turned out to be an error in one of the client’s software programs. Worked with the client to establish a proxy for lost data.
    • Developed business and statistical requirements for an analytics platform. Worked with developers through implementation, including testing and development of dashboards in Tableau.
    Focus areas: Pricing Strategy, Financial Modeling, Financial Planning & Analysis (FP&A), Cash Flow Modeling, Revenue & Expense Projections, Budgeting, Financial Data
  • EVP of Advisory Services

    1996 - 2000
    INDETEC International
    • Implemented an enterprise-wide system that tracks product-specific economic profitability for a South American telecommunications service provider.
    • Prepared and delivered expert testimony as a regulatory witness for a multibillion-dollar telecommunications service provider in support of cost models used to support their tariff prices.
    • Built an engineering-based network interconnection model for an Australian startup telecommunications service provider. The client used the model to demonstrate to the regulatory authority that the incumbent's proposed prices were too high, saving the client millions of dollars per year.
    Focus areas: Profitability Analysis, Cost Estimation
  • Telecom Cost Analyst

    1989 - 1995
    Bell Communications Research
    • Prepared engineering-based, technology-specific telecommunications network cost models for Bell Communication Research's regional operating companies in support of tariff filed pricing.
    • Prepared and delivered economic cost and pricing training seminars to telecommunication providers and regulators in Thailand, Hong Kong, Indonesia, Malaysia, Honduras, Singapore, and Mexico.
    • Built a prototype wireless telecommunications cost model.
    • Developed a network cost model sales and marketing plan for Southeast Asia, Australia, and New Zealand.
    Focus areas: Network Modeling, Training & Training Content Development, Training, Economic Cost, Cost Modeling


  • Master's Degree in Applied Mathematics
    1986 - 1988
    Rensselaer Polytechnic Institute - Troy, NY, USA
  • Bachelor's Degree in Mathematics
    1981 - 1986
    University of Michigan - Ann Arbor, MI, USA

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