Welcome to Sunstone
Build a thriving workplace culture
Our Approach
People First. Business Driven.
At Sunstone HR Advisors, we partner with growing businesses to strengthen their teams, elevate culture, and build the people infrastructure needed to scale. Our work blends strategy and execution, helping leaders create clarity, accountability, and environments where high performers can thrive.
We meet you where you are and design solutions that fit your business, your goals, and your people not generic HR, but thoughtful, effective support that drives real results.
Our Process
Simple. Thoughtful. Built for Growth.
We believe great people practices should make your business stronger, not more complicated. Our process is designed to bring clarity, reduce friction, and create momentum.
We take the time to understand your business, identify what is holding your team back, and implement practical solutions that improve performance, engagement, and leadership effectiveness. From foundational HR to advanced people strategy, we focus on what will move the needle now and support long term success.
Our Services
Explore our services designed to help you build a stronger team, reduce turnover, and lead with confidence. Whether you need structure, guidance, or hands on support, we partner with you to solve people challenges and elevate your workplace culture at every stage of growth.
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Clarity Before Action
Every engagement begins with a deep dive into your people, processes, and culture. Our People & Culture Audit is a structured assessment designed to uncover what is working, what is not, and where your biggest opportunities lie.
We evaluate leadership practices, team dynamics, performance systems, engagement, and risk areas to provide clear insights and practical recommendations. This audit creates a roadmap so you can move forward with confidence and intention.
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Senior HR Leadership Without the Full Time Overhead
Our Fractional HR Leadership offering provides experienced, hands on HR support tailored to your business. We act as a trusted partner to your leadership team, helping you navigate growth, manage complex people challenges, and implement systems that support long term success.
This is ideal for businesses that need strategic guidance and consistent support without building an internal HR department.
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Clear Expectations. Measurable Results.
High performing teams thrive on clarity. We design performance systems that align individual roles with business objectives through clear expectations, meaningful KPIs, and consistent accountability.
Our approach helps leaders drive results while giving employees transparency around what success looks like, how performance is measured, and how growth is achieved.
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Build and Sustain a Team of High Performers
We help you strengthen your team by improving how you hire, onboard, and develop talent. Our focus is on alignment ensuring the right people are in the right roles with clear expectations from day one.
This offering reduces costly hiring mistakes, improves retention, and builds a workforce that supports your culture and growth goals.
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Develop Confident, Effective Leaders
Strong managers are the foundation of a healthy workplace. We provide leadership development through targeted training, workshops, and coaching designed for real world management challenges.
We equip managers to communicate clearly, lead with confidence, handle difficult conversations, and drive team performance creating stronger teams and better outcomes across the organization.
Meet the Sunstone Team
Melissa Alvarez
FounderWith more than ten years of experience in people strategy and organizational leadership, Melissa Alvarez helps growing businesses build strong teams, effective leaders, and cultures that support sustainable growth. She has led HR functions across multiple industries, working closely with executives to align people, performance, and business outcomes. Her work blends strategic insight with practical execution to help organizations operate at a higher level.
Sunstone HR Advisors is built on a bench of experienced, highly capable HR leaders who operate as true partners to the businesses they support. Each member of the Sunstone team is carefully selected, trained, and developed to deliver thoughtful, compliant, and execution focused HR leadership.
When a Sunstone advisor is embedded within your organization, they approach your business as if it were their own. Our team members are trusted to assess complex people challenges, diagnose root issues, and implement practical solutions that strengthen culture, performance, and leadership. They bring sound judgment, discretion, and a deep understanding of both employee experience and business risk.
All Sunstone advisors go through rigorous training and ongoing development to ensure consistency, quality, and alignment with our standards. We invest heavily in building HR leaders who are strategic thinkers, strong communicators, and confident decision makers capable of supporting organizations at every stage of growth. Sunstone is also committed to developing the next generation of HR leaders.
For professionals interested in building a career in people leadership, we regularly welcome talented individuals into our training cohorts. If you are passionate about thoughtful HR, high standards, and meaningful impact, we encourage you to reach out and start the conversation.