Our Team
Our team
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Dimitrios Bairaktaris
Co-Founder and Director
Transformation & Technology Strategist
Dimitrios brings 25+ years of C-level experience leading digital transformation across retail, FMCG, logistics, and infrastructure sectors in APAC, Europe, and the US. A former GM of IT at Coles, he combines business-first thinking with deep expertise in supply chain, systems implementation, and change. As a PhD in AI and AICD member, he applies practical AI solutions to real-world challenges. Clients value his clarity, delivery focus, and the grounded advice of someone who’s led from the front.
Nathan Hollis
Co-Founder and Director
Digital Architecture & CTO Advisory
As a co-founder of Mulberry Group, I bring over 25 years of experience as a technology executive, delivering transformational digital change in complex corporate environments. My open, authentic, and high-energy leadership focuses on driving business value from technology, translating complex IT to clear business language. Serving as CTO for ASX-listed Transurban and Wesfarmers OneDigital, and Chief Architect at Coles, I've led large-scale teams, established strategic technology directions, and optimized IT operating models. At Mulberry, I apply this expertise in business strategy, technology, and architecture to guide enterprise leaders through critical decisions: from vendor selection and digital roadmaps to operating model design and legacy modernisation. My advisory work, for clients including Wesfarmers, Australia Post, and Vitasoy, provides outcome-driven, vendor-independent technology consultancy, ensuring measurable, sustainable business outcomes and client empowerment.
Michelle Malone
Chief Architect
Enterprise Architecture & Digital Transformation
With over 20 years' global experience, Michelle has led complex, high-value architecture transformations across retail, FMCG, and medical sectors. Working with multinational retailers or fast-growing challenger brands, Michelle is known for her ability to bridge the gap between business ambition and IT execution. She focuses on fit-for-purpose, sustainable solutions rather than bespoke builds, ensuring architectures remain lean and future-ready, while maintaining an unwavering focus on improving customer experience and service.
Greg Davis
Chair
Executive Leadership
Greg is a visionary leader with over 30 years of experience in various retail sectors. He has held several high-impact C-level roles, including CEO of Landers Club Stores in the Philippines, Chief Commercial Officer and COO at Coles, and CEO of Coles Express. Greg’s career also includes significant roles at Aldi, where he was instrumental in launching the business in Australia. With a proven track record of driving business transformations through people and technology, Greg is dedicated to helping businesses achieve their strategic goals and drive sustain growth.
Mansi Rawat
Senior Consultant
Technology Transformation & Execution
Mansi has delivered business analysis, project support and change management across major digital and tech transformations. She brings cross-industry experience spanning retail, healthcare, utilities, financial, and telecom sectors. Her strengths include systems thinking, process mapping, stakeholder engagement, and change management. She has supported SaaS implementations, POS strategy development, and tech roadmap creation. Her work has driven operational improvements, system upgrades, and cost efficiencies .
Yulia Chaplina
Senior Consultant
Business Analysis & Project Delivery
Yulia brings international consulting experience across government, ESG, and economic development, combining deep analytical expertise with structured project delivery. She has led large-scale information systems and ESG certification initiatives, with a track record spanning senior roles at PwC and the Moscow Government. Her work has focused on tax policy, economic forecasting, and digital transformation. Known for her intellectual rigour and collaborative approach, Yulia now applies her global experience at Mulberry to drive impact across strategy, sustainability, and data-driven decision-making.
Andy Baker
Program Manager
Program and Project Delivery
With over 25 years of experience in senior technology leadership roles across multiple geographies, I’ve spent the past decade providing strategic consultancy to many of Australia’s leading retail brands. My work has included the successful delivery of programs ranging from $1M to $70M, spanning e-commerce, supply chain, and digital transformation initiatives.I bring a collaborative, outcomes-focused mindset to every engagement—combining hands-on expertise with a strong commitment to mentoring teams and fostering capability uplift. This approach, paired with a consistent record of delivery, has enabled long-term and repeat partnerships with clients who value trust, results, and strategic clarity.
Aishwarya Singh (Ash)
Senior Consultant
Digital, Data & Customer Experience
Aishwarya brings a global and cross-sector lens to her work in digital strategy and transformation at Mulberry Group. Her experience spans healthcare, energy, retail, and financial services, where she helps organisations harness data to drive growth. At Infosys, she delivered enterprise technology solutions for leading financial clients across the globe. She later joined Sensure Medical, where she led the go-to-market strategy for an innovative women’s health device. Aishwarya has also shaped retention and marketing strategies for sustainability-focused and energy sector businesses. At her core, she brings a structured, insight-led approach to solving complex problems and delivering results.