About
Limestone Digital
Leadership
Leads Limestone Digital’s vision and strategy at the company level, building a global software engineering organization focused on outcome-driven delivery, long-term partnerships, and sustainable business growth.
Mark Ajzenstadt is the Founder and CEO of Limestone Digital. Over the past decade, he has built the company into a global software engineering partner, helping business owners and technical leaders deliver complex products while reducing friction, risk, and time to market.
As CEO, Mark defines the company’s strategic direction and operating model, working closely with executive and delivery leadership to ensure consistent execution across teams and geographies. His focus is on building high-performing engineering organizations, aligning technology delivery with business outcomes, and creating scalable models that support long-term client and company growth.
Mark’s leadership centers on removing structural and operational constraints around software development—team structure, process, and execution—so clients can focus on growth, innovation, and serving their customers effectively.
Key focus areas
- Company vision, strategy, and operating model
- Outcome-driven software delivery and execution
- Building and scaling global engineering organizations
- Executive alignment and organizational leadership
- Reducing delivery friction and time to market
Oversees end-to-end delivery operations across the organization, ensuring scalable execution, effective resource allocation, and predictable outcomes across distributed, cross-functional engineering teams.
Anatolii Kramarenko oversees Limestone Digital’s end-to-end delivery operations, ensuring scalable execution, effective resource allocation, and predictable outcomes across a wide range of client engagements. With 10+ years of experience in delivery and operations, he aligns delivery performance with client success and long-term revenue growth.
He works across distributed, cross-functional engineering teams of various sizes, supporting enterprise clients, fast-growing scale-ups, and projects in regulated and complex domains. Anatolii focuses on building operational clarity, reducing delivery risk, and enabling teams to scale sustainably as the organization grows.
He brings experience with legacy systems and modernization initiatives and is a key contributor to Limestone Digital’s core delivery pod model and execution frameworks.
Key focus areas
- Delivery governance and execution standards
- Capacity planning and utilization management
- Scaling engineering organizations and delivery models
- Continuous improvement of delivery processes
Leads global talent strategy across all teams and locations, focusing on attracting, developing, and retaining top industry talent to support innovation, service excellence, and a strong company culture.
Kate Kuzmenko leads Limestone Digital’s global human resources function, defining and executing talent strategies that support the company’s growth, delivery quality, and long-term organizational health. She ensures the company attracts, develops, and retains high-performing talent across teams and functions.
Her work spans talent acquisition, people development, and retention initiatives, with a strong focus on building scalable HR practices that support distributed teams, delivery excellence, and a healthy, values-driven company culture.
Partners with executive and delivery leadership to align people strategy with business goals, team performance, and organizational scalability.
Key focus areas
- Global talent strategy and workforce planning
- Talent acquisition and employer branding
- Employee development and performance management
- Organizational culture and engagement
- Scalable HR processes for growing teams
Manages the company’s financial strategy at the organizational level, overseeing capital allocation and risk management to ensure sustainable profitability, operational resilience, and long-term investor value.
Viktoriia Lapa
Viktoriia Lapa leads Limestone Digital’s finance function, overseeing financial planning, budgeting, and capital allocation across the organization. She is responsible for maintaining financial discipline, supporting informed decision-making, and ensuring financial operations scale reliably alongside business growth.
Her work focuses on balancing growth initiatives with financial stability, strengthening risk management practices, and building resilient financial processes that support long-term performance and organizational sustainability.
Key focus areas
- Financial strategy and long-term planning
- Capital allocation and cost control
- Risk management and financial governance
- Budgeting, forecasting, and reporting
- Financial processes supporting scalable growth
Leads the company’s design practice across client engagements, delivering user experience, product design, and digital innovation that drive measurable business impact.
Anastasiia Milokhina leads Limestone Digital’s design practice, combining 8+ years of experience in UI/UX and product design with hands-on leadership of multidisciplinary teams. She is responsible for design strategy and execution across products and client engagements.
Her work focuses on turning complex ideas into clear, engaging digital experiences. Anastasiia partners closely with product, engineering, and business stakeholders from discovery to launch, shaping product strategy through research, prototyping, and data-driven design decisions.
Key focus areas
- User experience and product design strategy
- Leading UI/UX teams and cross-functional collaboration
- Product discovery, research, and validation
- Design systems and scalable design frameworks
- Translating complex requirements into effective solutions
Leads MarTech strategy and consulting at the practice level, helping clients drive digital transformation, optimize engagement, and increase revenue through outcome-driven marketing technology.
Levy Lieberman leads Limestone Digital’s MarTech practice, working with clients to design, implement, and scale marketing technology ecosystems that support measurable business outcomes. As a Founding Partner, he brings hands-on experience across software development, MarTech platforms, and growth-focused digital transformation.
His background includes building and scaling CRM systems, SaaS products, and complex MarTech environments. Levy focuses on reducing operational friction around technology—deployment, integration, and execution—so teams can move faster and deliver impact with clarity and predictability.
He contributes to Limestone Digital’s outcome-oriented delivery pod approach, helping shape senior-led teams that combine engineering, MarTech expertise, and AI-assisted workflows.
Key focus areas
- MarTech strategy and consulting
- Marketing technology platforms and ecosystems
- Customer engagement and lifecycle optimization
- Outcome-driven delivery models and acceleration pods
- AI-enabled workflows for marketing and growth teams
Our Values
We believe that trust is possible only through radical transparency.
It is good concepts that win, regardless of personalities.
Mistakes prove that you're trying, so we think.
Every member of our team is responsible for a certain area.
We appreciate openness and constructive feedback.
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