Our Polska Team

An entrepreneur, investor, and business leader with over 20 years of experience in building and scaling sales organizations, developing leaders, and driving business transformation. He currently serves as CEO of Sandler Training Poland and CEO of the True Blue Investments group.
He has been associated with Sandler Training practically since the brand’s inception in Poland, helping to shape its development, strategic direction, and market model. Over the years, he has managed consulting and sales teams executing complex transformation projects for large organizations in Poland and abroad.

He specializes in designing systemic development solutions for senior management and building scalable models for organizational growth. As a consultant and strategic advisor, he works with boards of directors and top management, supporting them in making key business decisions, building effective management structures, and strengthening managerial accountability.
Throughout his career, he has trained over 10,000 managers and salespeople, working with organizations operating in both the Polish and international markets.

At the same time, he is expanding his investment and management activities within the True Blue Investments group, focusing on building company value, strategic integration, and long-term operational efficiency.
In his personal life, he is passionate about kitesurfing, martial arts, and cars.

A manager, practitioner, and sales enthusiast with twenty years of commercial experience, particularly in the corporate environment at various management levels—from supervisory to executive. A participant in restructuring projects, co-creator and reorganizer of distribution systems in several European countries. A passionate and dynamic individual. For several years, he has been a business coach active in the areas of strategy, management, and sales.

For years, he has been actively collaborating with major organizations—Michal’s key areas of specialization include professional services (Big Four, law firms), and pharmaceuticals. His project portfolio also includes companies from the construction, industrial, and engineering sectors.

In his personal life, he is the father of two teenage boys. In his free time, he enjoys cars and various sports (tennis, cycling, skiing).

Currently, he is a Senior Partner and Vice President of the Management Board at Sandler Training Poland, responsible for expansion into CEE markets as well as for the development of the Swiss market.

michal.biernacki@sandler.com

Humanist in business. A man of sales, negotiations, communication and building relationships. And at the same time a consultant and trainer who narrows people's funnels, breaks patterns and changes habits.

Formerly an academic lecturer at the University of Warsaw, which he earned with a habilitation degree. He has been active in the real estate industry for over 10 years, working for many years as a real estate advisor and sales manager and trainer in a real estate office. Currently, Vice President and member of the Management Board of Sandler Training Polska.

krzysztof.rzepkowski@sandler.com

Experienced financial specialist, graduate of the Warsaw School of Economics, majoring in "Finance and Accounting".

His professional experience began at Sandler Training Polska and STAP Institute. For nine years, he shaped the company's strategy, representing the company during negotiations and cooperation with business partners, i.e.: Stellantis, Mazda, Nissan, SsanyYong and Ford.

Currently, he works at Sandler Training Polska, Improver and Blue Tank, where he is responsible for the company's financial strategy. He constantly develops his skills by participating in courses and training, such as the EY Controlling Academy or courses conducted by the Accounting Development Foundation. Outside of work, he is passionate about discussions and literature, and his greatest love is his wife and children, with whom he spends his free time.

kamil.grzesikiewicz@sandler.com

Entrepreneur, business-oriented trainer, consultant and coach dealing with business consulting. He specializes in the broadly understood development of sales forces at the strategic and operational level.

Associated with the training market since 1995. Co-founder and long-time shareholder of House of Skills. Since 2007, Managing Partner Sandler Training Polska (Master Franchisee Sandler Systems, Inc. in Central Europe).

He conducts individual training and coaching sessions. It also prepares speakers for public speaking. Lecturer cooperating with the Warsaw School of Economics and the University of Warsaw, speaker at many conferences and discussion panels.

Member of the Polish Association of Professional Speakers in Poland.

dariusz.milczarek@sandler.com

He is a business practitioner with over 10 years of experience in the private healthcare sector (Medicover, Promedis, Medycyna Rodzinna, Lux Med). His experience includes sales, management, and building sales departments (Sales Director, Director of Customer Service and Upselling). He has been responsible for strategy development, financial management (Chief Financial Officer), investments, and company development (Chief Operating Officer).

He has over seventeen years of experience as a Sandler methodology trainer and enthusiast. He follows one key principle in client work: every development program must lead to a tangible and measurable change. His work focuses on sales growth, margin improvement, market share growth, and new product and service introduction. His project work includes sales competence development, management competence development, sales and management standards development, CRM implementation, and sales strategy development. He specializes in working with financial and healthcare companies.

Privately, he is originally from Wroclaw. He has lived and worked in Warsaw for over 20 years. His interests include running, cycling, and skiing.

Areas of expertise:

• sales
• sales team management
• negotiations
• sales standards development
• sales management standards development
• CRM implementation

He has delivered Sandler Training projects for companies such as: Pekao S.A., BNP Paribas, PKO BP, Raiffeisen Polbank, ING Bank Slaski, UniCredit, Union Investment, Aviva, PZU, PwC, Accenture, Deloitte, EY, KPMG, Lux Med, Biogen, Ipsen, Novartis, Bonduelle, Bosch, Mapei, and many others.

Trainer, coach, and manager with over a decade of experience.

Has always been connected to sales forces.

As a manager, he was responsible for transforming sales networks, building service standards, as well as recruitment and effective onboarding.

An advocate of a process-driven approach to sales.

He believes the keys to successful projects are:

• an audit that allows for a thorough diagnosis of real problems and their root causes
• "common language" and consistent approach to working with clients across the entire organization
• involvement of management in the proces

He has delivered projects for technology start-ups, as well as premium brands and market leaders in the services and products segment.

At Sandler, he is responsible for market development in: industry, manufacturing, and engineering.

An entrepreneur at heart, always active in sales. He is driven by the success and joy of the people he has had the pleasure of training.

In his personal life, a fan of thrillers and long-distance running.

arkadiusz.kaczmarek@sandler.com

Multi trainer and consultant. Certified business trainer at master's level, certified management coach, mediator, entrepreneur. An effective trainer who is knowledgeable in both direct and remote sales.

In his over twenty years of career, Lukasz has built and developed sales teams, supported managers and created sales support structures and strategies.

Lukasz adheres to the principle that "there is no development in the comfort zone and (often) no comfort in the development zone." He gets the greatest satisfaction when people overcome internal blockages and reach a higher level, previously unattainable for them.

lukasz.pawul@sandler.com

For over 10 years, he gained business experience as a sales director and distribution director. For the next 10 years, he was a Project Manager and trainer implementing development projects for clients from many industries.

He is a practicing salesman and shared his knowledge as a guest speaker at the WSB MBA studies in Wroclaw and as a lecturer at postgraduate studies at the University of Szczecin. On a daily basis, he advises on how to sell smarter (instead of harder), teaches how to manage more efficiently and helps lead more effectively.

In his free time, he creates games and unconventional development tools, and runs the blog "JA! Leader” and the videoblog “Management is simple”. Privately, he loves every form of sports activity. And as a fan and participant of team sports, he often uses sports analogies in his consulting work.

mariusz.rachlewicz@sandler.com

A leader with 15 years of experience in B2B sales, technical consulting and management in the manufacturing industry. Thanks to his cooperation with the FMCG, furniture, automotive and e-commerce segments, he effectively connects the dots and helps discover the potential of teams and processes – even where no one has been looking for improvements for a long time. Many years of working with clients from the DACH and Scandinavian markets have given him a broad perspective on different business cultures and allowed him to better understand the real challenges facing today's sales teams.
At Sandler, he is responsible for selling a full range of solutions – from programmes dedicated to those at the beginning of their careers to the development of managerial and management structures. He is passionate about building effective teams, designing modern sales strategies and processes, and supporting organisations in achieving sustainable, high results. He teaches the wise use of company resources, responsibility for assigned tasks and impeccable work hygiene.

Sales and management man. Practitioner. He has been selling for a quarter of a century, and for 17 years - additionally - he has been helping others do it effectively. About myself: “I know that for my clients the most important criterion is the result. When we sit down to start a project, we start with my favorite formula from "business mathematics": Result = strategy x activity x quality x tools. Attention! It is a product, not a sum, with all its implications. I help my clients by working on all four parts of the equation.”

He specializes in building sales processes that enable maximum perception of the value of the offer (ROI) in the eyes of the recipient and in providing appropriate competences at all levels of the Sales Department - from Telemarketer to Head of Sales - so that this process "lives" and brings results.

grzegorz.chojnacki@sandler.com

Business trainer, psychologist, psycho-oncologist. He has been implementing business and training projects for 10 years.

In his work, he focuses on effect. It is very important for her that participants receive specific tools and methods to use in their work. He also conducts individual coaching sessions. He specializes in topics related to sales and customer service (based on building mutually beneficial relationships), management and creativity.

In training, he uses adult learning methodology, creative techniques and following participants. What he values most in the room is the opportunity to exchange experiences, knowledge and the individualism of the participants.

hanna.adamska@sandler.com

In his opinion, the professions of a trader, intermediary, consultant and seller still evoke negative associations in our country. His mission is to show and teach people a different approach to sales. One in which the salesperson will feel more at ease, work more effectively and earn much more. And the customer will finally feel that the seller does not have to be an intruder, a necessary evil, but a reliable partner who brings him value and multidimensional benefits.

The end result of the Sandler methodology is the effective building of long-term, strong business relationships and painless filling of sales funnels. This can be achieved using both proven psychological and didactic tools, as well as modern forms of implementation that bring lasting changes.

arkadiusz.glen@sandler.com

He is a manager, sales team leader, trainer, active real estate agent, and Sandler Training Polska consultant. He has been actively working in sales for over 16 years.

He has over 11 years of experience as a manager of various sales teams in the real estate industry, including 6 years as Sales Director.

He follows a management philosophy based on leading by example.

Specialization:

• Sales and sales management in the real estate industry
• Communication and relationship building in real estate sales
• Sandler Selling System – a sales methodology based on innovative relationship building and influence techniques according to Sandler Training know-how

Experience:

• Sandler Innovative Sales Clinic for professionals active in the real estate industry, within which he teaches relationship building that breaks conventional patterns, influence without pressure or pushiness, and closing sales using ambivalence and strategic discouragement.
• Sales Management Academy within Sandler Training, within which he teaches sales management for junior managers and helps experienced managers and business owners structure processes and optimize team performance.
• He has trained and implemented many managers, supervised their work in managing smaller teams, and taught them how to respond to organizational changes, conflict situations, and unpredictable challenges.
• He has managed sales, was responsible for results, and maintained strong team relationships both within his sales teams and among managers in his role as Sales Director.

It supports entrepreneurs and sales forces in building sales strategies and processes. Focuses on developing negotiation skills and increasing results. It shows that the transformation of sales towards a partnership relationship in which both parties respect each other is absolutely possible. In practice, he uses the psychological concept of Transactional Analysis.

Since 2015, he has been the owner of the partner company Orange Polska. He built the structure of the company from scratch, which employs over 50 sales representatives. He has 11 years of experience in management and team building.

He gained experience during negotiations and cooperation, among others. with Facebook Polska, Groupon, Pernod Ricard Polska, Samsung, Apple, Orange Polska. Successfully implements a system for managing and supporting teams in organizations.

rafal.lipka@sandler.com

A business practitioner with nearly 30 years of experience in sales and marketing.
An enthusiast of sustainable development strategies, implemented through supporting diversity and inclusion, as well as effectively utilizing the potential of all team members to increase the value of an enterprise.
He co-created and managed sales departments, key account management, sales marketing, and training teams.
A professional negotiator with extensive experience in negotiations with retail chains, distributors, and individual customers.
As a sales director, he had the opportunity to co-create, manage, and reorganize large, dispersed sales teams.
He is the co-author of many effective sales and marketing strategies that have delivered measurable added value — reflected in market share growth, return on investment (ROI), and increased employee engagement.
Thanks to many years of direct work in the field, he has a deep understanding of the challenges faced by modern customers and salespeople.
He specializes in building sales teams focused on effective value-based selling, continuous employee development, and strengthening efficient intergenerational communication. Additionally, he prepares and conducts effective negotiations based on mutual trust and partnership.Privately, he is passionate about snowboarding, golf, and diving.
A certified sales trainer, psychologist by education, and MBA graduate from the Polish Academy of Sciences.

LinkedIn

Consultant and sales trainer, who passionately inspires and supports her clients in their professional and personal development. Her mission is to help salespeople and sales team leaders discover their strengths, enhance key competencies, and implement modern, ethical sales techniques.

In her work, she combines years of experience in marketing, which allows her to view the sales process from a broad perspective—integrating knowledge of customer needs with the ability to build lasting business relationships. As a certified mental trainer, she enriches her training sessions with aspects of emotional management, motivation, and building self-confidence, making them even more comprehensive and effective.

Clients appreciate her direct approach, ability to build trust and engage groups, as well as her sense of humor, which makes learning new skills an enjoyable experience.In her personal life, Dorota is an enthusiast of sports, particularly equestrianism, fitness, and skiing. Physical activity is not just a passion for her but also a source of energy that she shares with others.

In her free time, she dedicates herself to traveling and reading biographies that inspire her for further development.

Joanna is an experienced business trainer and HR Business Partner who has been supporting the development of sales and managerial competencies for years. Her professional career is built on a solid foundation of practice – she has spent hundreds of hours in training rooms teaching direct and telephone sales, as well as developing soft skills.

Currently, as a trainer at Sandler Training Poland – a licensed partner of the global leader in sales training – she helps salespeople achieve better sales results, break free from routine approaches to clients, and implement innovative strategies based on the proven Sandler Selling System® methodology.

Her passion lies in working with people, especially young managers who are just starting their leadership journey. She helps them navigate their new professional reality, build leadership authority, and effectively manage their teams. Through her practical approach and dedication, she inspires participants to take action and achieve exceptional results.

At Sandler Training Poland, she emphasizes learning through practice – games, simulations, and coaching that allow training participants to learn from their own experiences and apply new skills in their daily work.
 

Business consultant, coach and trainer, active on the Polish market for fifteen years. Implementer of many consulting and training projects, specializing in designing and implementing changes in leadership culture and improving the effectiveness of sales and customer service departments. Certified consultant for JTI and Extended DISC personality type research, as well as Barrett Values Center (organizational culture research).

For seven years he has been researching and developing the principles of improvisation, wrongly understood as something random and unpredictable. The experience gained in the field of these experiments and exercises is transferred to training and development programs.

He is the co-creator of the Mentoring Theater category in Poland.

michal.bukowski@sandler.com

Sales trainer, coach, and manager with 21 years of experience in the insurance industry.

Between 1995 and 2000, he owned and managed a building materials wholesale business. From 2004 to 2007, he co-created development projects focused on family financial planning and systems supporting the work of insurance intermediaries.

Since 2003, he has designed and delivered several thousand trainings, webinars, workshops, and keynote presentations for sales networks across multiple industries, including insurance, banking, construction, pharmaceuticals, printing, and the fuel sector.

Although naturally impatient by nature, he follows a personal principle: “Eat with a small spoon, but for a long time” – a reminder that consistent, long-term effort brings the best results.

Privately, he is the proud father of two wonderful, already grown children and a passionate skiing enthusiast.

mariusz.lysy@sandler.com

An experienced manager, trainer, and consultant with 15 years of practical experience in sales and managing sales and customer service teams. He specializes in transforming sales departments by developing skills and building highly effective processes. As a certified Sandler consultant and trainer, he implements proven strategies that enable organizations, leaders, and teams to achieve measurable business results and sustainable sales growth.
Key areas of specialization:

• Creating and implementing effective sales strategies: Designs strategies tailored to market dynamics and organizational goals, ensuring their effectiveness at every level of operation.
• Developing key sales competencies: Strengthens team skills, which directly translates into increased effectiveness and achievement of sales targets.
• Optimizing sales management processes: Builds and improves processes that maximize the productivity and efficiency of sales teams.
• Strengthening leadership competencies and building self-confidence: Supports leaders in developing management and team motivation skills, and in building a culture of success.

He firmly believes that lasting success in sales is the result of consistent action, a strategic approach, and continuous improvement.

Sales trainer and consultant specializing in the design and implementation of B2B and Enterprise Selling processes. In her work, she combines the Sandler methodology with Extended DISC® and FinxS® Sales Assessment tools.

She focuses on building scalable sales funnels, leading discovery conversations, and designing Go-to-Market strategies that integrate sales, marketing, and operational perspectives using CRM systems and AI tools.

At Sandler Training Polska, she is responsible for developing training products and adapting global solutions to the needs of the CEE market. Her experience includes development projects delivered for companies across various industries, B2B sales, journalism, entrepreneurial activity, and academic teaching at universities (UJ, UPJPII, and UEK).