Vision and Values
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OUR Executive Summary
We are strategic and transformational HR executives with proven track records of driving business success through people-centered initiatives. We specialize in fostering inclusive, high-performing cultures, leading organizational transformation, and advising senior leaders through complex growth and change. With deep expertise in talent strategy, change management, and workforce optimization, we help organizations thrive in dynamic markets.
Available for advisory, consulting, fractional leadership roles, and project-based engagements. We do not pursue full-time W2 opportunities.
Tina Ullmann
Owner, CEO , Fractional HR Executive
Tina Ullmann is a Strategic HR Advisor with over 25 years of experience guiding leaders and organizations through high-impact people strategy. As the founder of Vireo HR Advisory, she supports CEOs and executive teams in aligning vision and values with the systems, leadership capabilities, and executional structures needed to scale sustainably.
Her expertise spans organizational design, leadership enablement, and strategic advisory across industries including retail, healthcare, hospitality, and energy. Tina’s approach combines real-time interviews, capability assessments, and talent insights to uncover barriers, activate leadership, and build people operations that deliver measurable business outcomes.
Prior to founding Vireo, she served as a senior HR executive and program leader for initiatives such as a Harvard Leadership Program, where she coached over 60 leaders and supported the development of over 150 VPs. Today, she brings that same rigor and strategic clarity to growing businesses navigating change, growth, and complexity.
Our Core Values
Our Vision
Empower. Elevate. and Soar to exemplary growth with real people who care about your business results.
Intentional Partnerships
A deliberate approach to working alongside clients, not just as a consultant but as a dedicated partner invested in their success.
Radical Transparency
Commitment to direct, honest communication as the foundation of trust and Effective business relationships.
Empowering Growth
Focusing on building the clients’ capabilities and confidence so they can soar to new heights independently after your guidance.
Adaptive Resilience
Focus on agility and adaptability to ensure that businesses not only survive change but thrive through it with strength and resilience.
Practical Innovation
Balancing tried and true methods with a fresh perspective and approach that is tailored to your unique business needs.
She and her team were never afraid of taking a “hands-on” approach whenever needed, which was truly critical in getting things done.
Thiago Bigi, SVP Operations