Nathan has more than 19 years of service to state and local governments in IT and project management with expertise in financial and compliance auditing, human resources, activity-based costing, process improvement services, internal control reviews, project management, and consulting. His work with public sector organizations includes helping them select, acquire and implement ERP systems for finance, procurement and human resources management. Before coming to ISG, Nathan held positions in state government and commercial enterprises, including a Big 5 accounting firm. Nathan is a certified Project Management Professional (PMP) and a licensed CPA in the State of Texas.

Kirk Teal is Partner of ISG Public Sector and has over 26 years of public sector experience, including 20 years of experience in the design, development, implementation and support of financial and procurement applications designed for public sector entities. He has expertise in the following functional areas: general ledger, accounts payable, budgetary control, budget preparation, grant and project accounting, purchasing, inventory management, and asset management. Kirk has considerable experience in assisting state and local governments, and institutions of higher education in evaluating ERP software offerings and implementation/integration services firms. 

Jill has more than 20 years of experience providing IT, governance, project management and oversight services to government and private sector organizations. For the last seven years, she has worked with state governments in the planning, design, development, implementation, enhancement and support of Human Capital Management (HCM) and payroll-related systems and solutions. Her expertise includes benefits, compliance, Affordable Care Act (ACA) reporting, Financial Systems Collections and Disbursements, upgrades and infrastructure migrations. She also has deep knowledge of governance, project management, consulting, contract negotiations and vendor management, quality assurance, business process improvement and change management. She has managed multiple large, complex initiatives and has worked closely with business executives and government leaders to improve operating efficiency and supportability, reduce costs and enhance revenue and compliance through technology-related initiatives. 

John Cook has been a Director in the ISG Public Sector Practice for more than fourteen (14) years, and has over thirty (30) years of proven experience in enterprise application software procurement, analysis, software design, project management, quality assurance, and implementation, with the last eighteen years working on public sector enterprise software projects in an advisory role. His recent public sector experience includes business case and requirements development, RFP authoring and procurement support, ERP vendor evaluation/selection, contract negotiations, cultural change management, and project management/quality assurance responsibility. He has recent experience evaluating software-as-a-service, cloud-based, and hosted systems for clients

Joe has more than 15 years of leadership experience in the public sector managing Enterprise Resource Planning (ERP) implementations for state and local governments. He is highly proficient in assessing the technological needs of the client and recommending the appropriate ERP solution. He is an expert in creating a project plan and monitoring deliverables, communicating status reports to executive management and training users on new software. In addition, he has authored many solicitation documents for his clients and successfully negotiated software and implementation contracts for numerous public sector clients.