Our Team
We’ve built Northridge around senior operators who bring real-world experience, clarity, & collaboration to every engagement, turning strategy into measurable results
EXECUTIVE LEADERSHIP TEAM
Leading with Experience, Integrity, & Impact.
Our Executive Leadership Team brings together decades of experience across industries and a shared commitment to operational excellence, innovation, and measurable results. Working side by side with clients and teams, they shape Northridge’s strategic direction and ensure our values of integrity, collaboration, and accountability are reflected in every engagement.
Joni Arison, President & CEO
Shannon Neumayer, Chief Financial Officer
Operational and financial leader with more than 20 years of experience driving strategic planning, financial transformation, and organizational efficiency. Brings deep expertise in financial strategy, compensation design, and analytics, helping organizations strengthen performance through data-driven decision-making and collaboration.
At The Northridge Group, Shannon leads all aspects of financial operations, planning, and reporting, ensuring alignment between business strategy and financial performance. She partners closely with executive leadership to advance operational excellence, fiscal discipline, and long-term growth.
Lisa Butler, Chief Delivery Officer
As Chief Delivery Officer, Lisa leads Northridge’s client delivery, ensuring every engagement drives measurable impact and sustained performance. She oversees the firm’s end-to-end delivery model, connecting people, process, and technology to enable operational excellence and client success.
Lisa brings deep experience in program management, process design, and revenue assurance, with a proven ability to translate complex strategies into actionable results. She partners closely with clients and internal teams to strengthen execution discipline, optimize delivery performance, and accelerate outcomes that create lasting value.
Liz Griffin, Managing Principal, Client Relationships & Growth
Accomplished growth and transformation executive with more than 17 years of experience leading enterprise strategy, operational excellence, and organizational transformation across Fortune 500 companies and high-growth firms. Brings a proven record in revenue optimization, customer experience, and performance improvement that drives measurable business outcomes.
At The Northridge Group, Liz leads client relationships, business development, and strategic growth initiatives, partnering with executive teams to align people, process, and technology for sustainable success. She is recognized for her ability to bridge strategy and execution, enhance leadership alignment, and deliver solutions that strengthen performance and long-term impact
meet our advisory board
Strategic partners providing insight across industries & disciplines.
Our Executive Advisors bring deep leadership experience across telecommunications, healthcare, financial services, and technology. As trusted partners to Northridge’s leadership team, they provide strategic guidance, operational insight, and practical perspective that shape our firm’s growth and amplify client impact.
Daren Moore
Operational and financial advisor with more than 25 years of experience leading enterprise transformation and driving measurable business improvement. Brings a proven track record in corporate strategy, performance optimization, and board-level governance.
Daren serves as Board Secretary of The Northridge Group and, over the course of his career, has guided consulting and managed services teams across multiple industries, helping organizations strengthen financial discipline, enhance operational efficiency, and achieve sustainable growth.
Marcel Henry
Brings a unique blend of financial strategy, operational efficiency, and sustainability leadership. As Chief Financial Officer at Southface Institute, he drives fiscal responsibility and innovation through data-driven decision-making and process optimization.
In his role as Executive Advisor with The Northridge Group, Marcel helps clients strengthen organizational performance and financial discipline, advancing strategies that balance operational rigor, sustainability, and long-term impact.
Jill Billhorn
Accomplished technology and sales executive with more than 25 years of experience leading large, high-performing teams and driving sustained enterprise growth. As a former senior executive at CDW, Jill oversaw national commercial sales operations spanning multiple business units and managed a multibillion-dollar revenue portfolio.
She brings deep expertise in sales strategy, operational excellence, and leadership development, serving as an advisor to organizations focused on performance and growth.
Anthony Tuggle
Accomplished customer experience and operations executive with more than 25 years of experience leading large, high-performing teams and driving enterprise transformation. As President of Customer Operations at Afiniti and a former senior executive at AT&T, Anthony led global sales and service organizations, delivering sustained business growth and operational excellence.
He brings deep expertise in digital transformation, AI integration, and workforce optimization, helping organizations accelerate performance, strengthen customer engagement, and unlock long-term business impact.
Jerry Gerami
Accomplished revenue and operations executive with more than 25 years of experience leading sales transformation, strategic partnerships, and enterprise growth across technology and telecommunications sectors. As former Chief Revenue Officer at The Northridge Group and a senior executive at AT&T, Jerry has driven large-scale initiatives that deliver measurable business results, operational efficiency, and long-term customer value.
He brings deep expertise in sales leadership, digital enablement, contract negotiation, and market expansion, helping organizations accelerate growth, strengthen client relationships, and achieve sustainable performance.
HOW WE SHOW UP
Where Clarity, Collaboration, and Trust Intersect
A lens we use internally and a promise clients can count on.
Through collaboration, we build clarity, confidence, and trust that turn strategy into measurable results.
Explore More
- Learn more about our leadership philosophy and strategic approach on our About Us page.
- Discover how our Business Consulting Services deliver measurable results for clients.
- See how our Industry Expertise helps organizations across sectors achieve sustainable performance.
- The Northridge Group is proud to be a Women’s Business Enterprise (WBENC) certified firm.
Frequently Asked Questions
Can’t find what you’re looking for? We’re here to help.
How does Northridge help clients achieve measurable results?
We bring together people, process, and technology to simplify complexity, strengthen operations, and deliver measurable results that last.
What’s Northridge’s approach to client partnerships?
We act as an extension of your team, listening first, adapting quickly, and collaborating to turn strategy into measurable results
What does it mean that Northridge is an ESOP company?
As an employee-owned firm, every team member has a vested interest in client success. Our ESOP model builds accountability, collaboration, and long-term commitment into everything we do.
How does Northridge stay innovative?
We’re technology agnostic and focus on enablement, not one-size-fits-all solutions. Our experts leverage automation, integration, and AI to simplify workflows, enhance visibility, and drive efficiency.
How does Northridge develop and support its people?
We invest in our people through mentorship, collaboration, and continuous learning, fostering a culture where diverse perspectives thrive and every team member can grow and lead with impact.
