Leveraging over 36 years putting effective information technology into the hands of businesses, government and non-profits, Hanging Valley Enterprises is focused on helping you build practical cloud based information solutions and skill sets in your organization. This translates into business value for you. We will help you: 

  • Conceptualize and document your ideas for realizing business value

  • Ensure what you are thinking about can be done for the costs required

  • Put your ideas into practical designs that you and others can understand

  • Figure out how and when to do what over a realistic time frame

  • Ensure your staff is trained and capable

  • Find the resources (vendors, technology, training & people) needed 

  • Make it happen and put your ideas into production 

  • Operate everything over time, securely, robustly and reliably






Solution Sets








Working with Affiliates, Mark is building a network of experienced resources that have the experience and capabilities to provide distinctive value for our clients.

Mark D. Slosberg - Principal/Owner
mobile: +1 206-679-3277

Mark has spent 36 years successfully conceiving, selling, planning and delivering profitable information technology, business consulting and independent project development while leading and managing the organizations providing these services.  This has included


  • 19 years of entrepreneurial executive ownership and operations of an independent system integration/software development company including its sale to a public company

  • 3+ years in executive management at the public firm that purchased his company

  • 12 years in senior and executive management at top US and Canadian management and technology consulting firms


After almost 7 years at PwC, he has restarted Hanging Valley Enterprises to

  • have a more direct effect on actual business outcomes and

  • help individuals and organizations build and leverage skills around the use of readily available cloud technology to enhance business value.

Most recently as a Managing Director at PwC, he enabled business domain knowledge using Microsoft Cloud and Information, Process and Performance Management technologies.  This included solutions for anti-corruption (FCPA) compliance, tax and internal audit/assurance. These were for delivery

  • on-premise

  • as Software as a Service (SaaS) from the cloud or

  • in hybrid configurations.


He was part of the leadership team that created a a global online service delivery platform and business model for select PwC market segments. 

His specialty is identifying, defining, selling, staging, delivering and operating business led and technology enabled information technology solutions to difficult or complex business problems for commercial, government and not-for-profit organizations.

  1. Industry Sector Experience:

    • Financial and portfolio management including financial turnarounds, profit performance maximization and compliance.

    • Software and High Tech

    • Court and Justice Technology

    • Resource Management, Energy and Life Sciences

  2. Technical Experience:

    • Architecture and use of enterprise-class Microsoft cloud (Azure PaaS and IaaS, Office365, Dynamics CRM/xRM and AX) and corresponding on-premises tools along with cloud services from other vendors (AWS, Google, Salesforce, Box, Workday, etc.) to build unique and global online solutions.