About Cornerstone

Building Strong Organizations Through Systems, Infrastructure & Strategic Leadership

We provide startup support, website development, organizational systems, program development, grant readiness, grant writing, compliance guidance, and strategic coaching. Through Cornerstone Community Impact, we also invest in women's empowerment, workforce development, coaching access, and community-resource navigation.

LaTosha Street, Founder & Chief Strategist

With hands-on experience inside nonprofits and community organizations, LaTosha has built systems, led multi-million-dollar initiatives, and coached leaders through strategic transformation across Chicago. She founded Cornerstone on one core belief: strong structure enables lasting impact.

Book a Discovery Consultation Explore LaTosha's Expertise

Warm, inclusive leadership photo of diverse nonprofit leaders in discussion around a conference table

Our Expertise

What We Build With Our Clients

We help organizations identify gaps, align vision with operations, and build infrastructure for sustainable growth.

🏗️

Capacity Building

Build scalable infrastructure for growth and lasting impact.

🏛️

Organizational Structure

Clear governance and roles that empower teams and reduce confusion.

📊

Strategic Planning

Clear vision and actionable roadmaps aligned with your mission.

✓

Compliance & Systems

Navigate compliance and establish operational systems built to last.

👑

Leadership Development

Coach leaders to maximize their strategic impact.

🤝

Community Impact

Build partnerships that deepen community reach and sustained change.

How We Work

Strategic Partnership Grounded in Real Experience

Understand Your Reality

We start by deeply understanding your organization's current state, challenges, and aspirations.

Design Strategic Frameworks

Together, we create operational roadmaps and structures aligned with your mission.

Implement & Support

We help you implement systems and build leadership capacity to execute strategy with confidence.

Professional workshop or training session with nonprofit leaders learning in structured boardroom environment

Why Organizations Choose Cornerstone

✓ Firsthand Experience in nonprofit operations
✓ Proven, Customized approaches—not templates
✓ Mission-Centered partnership
✓ Long-Term Focus on your growth

Track Record

Real Impact in Real Communities

LaTosha has supported organizations across Chicago, contributed to multi-million-dollar community initiatives, and worked alongside nonprofit and community leaders building sustainable impact.

50+

Organizations

Supported through capacity building

Multi-Million

Community Initiatives

Contributed to coordination and implementation

200+

Leaders

Worked alongside through coaching and training

"Cornerstone brought clarity to our strategy, professionalism to our operations, and confidence to our leadership team. We've scaled our impact because we now have a stronger foundation."

— Executive Director, Community-Based Organization

Our Foundation

Values That Guide Our Work

Integrity & Authenticity

Transparent, honest guidance grounded in your reality. No shortcuts, no templates that don't fit.

Excellence & Rigor

Strategic frameworks and thoughtful execution. Your success built on solid ground, not assumptions.

Community & Collaboration

True partners in your mission. Change happens through listening and shared commitment.

Long-Term Focus

We invest in sustainable capacity, not quick wins. Our goal is your thriving organization for decades to come.

Leadership & Experience

LaTosha's Background & Expertise

With years of hands-on experience in nonprofit operations, community development, and organizational leadership, LaTosha brings strategic rigor and real-world understanding to every engagement.

Experience & Background

LaTosha has supported complex organizations throughout Chicago across violence prevention, workforce development, youth programming, and community engagement. Her experience spans multi-million-dollar public and state-funded initiatives, where she coordinated implementation, ensured compliance, and developed operational systems.

Known for her ability to bring structure and clarity to organizations, LaTosha combines professional rigor with deep community-centered thinking and a commitment to authentic, lasting impact.

Leadership Philosophy

LaTosha believes strong organizations are built through structure, strategy, and accountability—not just funding. She partners with leaders to build the infrastructure and leadership necessary to operate effectively and secure funding with confidence.

Professional executive consultant in business attire, confident and approachable

Core Expertise

• Organizational development & capacity building
• Grant readiness & compliance strategy
• Strategic planning & program development
• Operational systems & workflow design
• Leadership coaching & board development
• Community engagement & partnerships

Our Team

Meet the Cornerstone Leadership

Diverse expertise, deep nonprofit experience, and shared commitment to building strong organizations.

Kenya Avery

Lead Organizational Development Strategist

Kenya brings deep expertise in organizational development, capacity building, and strategic planning. Passionate about empowering mission-driven organizations to build sustainable systems and unlock growth.

Visit Kenya's Website

LaTasha Parham

Operations Manager

Operational leader who ensures smooth execution and excellence across all initiatives. Manages logistics, compliance, and team coordination to deliver high-quality client outcomes.

Get in Touch

Ready to Build Sustainable Systems & Organizational Infrastructure?

Let's discuss how capacity building, strategic planning, operational excellence, and strong leadership can strengthen your organization and advance your mission for sustainable impact.

Book a Discovery Consultation Get in Touch