The Harbinger Story
Many companies require tailored change management and training programs but are instead given a standard uniform program. While the one-size-fits-all approach has its benefits, the breadth and pace of change calls for something new.
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In 2015, Harbinger was created to shake up the industry and provide organizations with the choice to choose something different.
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The different being something that addresses both their specific situation and places an enhanced focus on enabling their unique people to have the ability to change with the company.
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In just five years, we have grown our roster to a team of experienced professionals in change management, finance, communications, project management, instructional design, and training.
Today we are proud to have worked with a number of North America’s leading companies spanning across industries such as home services, construction, insurance, energy, pharmaceutical, and manufacturing.
Meet our team of amazing Harbingers who make our work possible.
Krista Schaber-Chan
Co-Founder & Managing Partner
Krista is a Co-founder and Managing Partner at Harbinger. She possesses over two decades of experience in organizational change management, training and adult learning, business and leadership coaching and project management within private and public sectors including pharmaceutical, manufacturing, transportation, financial services and insurance, and housing and property development.
Krista’s wide breadth of experience encompasses large technology and enterprise resource planning (ERP) system implementations, and process and organization redesign. As a coach and facilitator, she has assisted several senior leaders in clarifying and executing their business visions to enable organizational results.
Prior to co-founding Harbinger in 2015, Krista began her consulting career working OmniLogic/PricewaterhouseCoopers (PwC) consulting and with IBM as a Senior Managing Consulting. She is also PROSCI, CTDP Sr., ICF, ITIL, and PMP certified.
In her spare time, Krista loves to read, spend time outdoors and appreciates a nice glass of wine.
Greg Roth
Co-Founder & Managing Partner
Greg Roth, Managing Partner, brings more than two decades of global change management, executive coaching, learning and management consulting experience. He began his career working with several top firms, including PricewaterhouseCoopers (PWC) and IBM where he provided consulting services for several of the world’s leading brands like TetraPak, Centrica, Direct Energy, Air Canada, Petro-Canada and Bell Canada.
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His deep experience spans the full ERP domain, including SAP, Oracle, Microsoft Dynamics, and JD Edwards. Most recently, Greg’s leadership has been a driving force in the implementation of a five-year program to deliver the enterprise-wide release of Microsoft Dynamics (ERP) for a global energy company. He is also IBM WWPM, CTDP Sr. Portfolio, Prosci ADKAR and PRINCE2 certified.
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When Greg is not working, he enjoys travelling the world, spending time with his loved ones including his nine nephews and nieces, and inching ever closer to his pastry chef certification.
Barnaby Chan
Co-Founder & Partner
Barnaby is a Co-Founder and Partner at Harbinger and brings more than 20 years of consulting experience leading and supporting the company’s go-to-market and business development. He is a seasoned executive in the professional services and software industries, having led many teams and customer technology-enabled transformation initiatives.
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Barnaby started his consulting career at OmniLogic (acquired by PricewaterhouseCoopers) as a functional Systems Applications and Products (SAP) consultant and subsequently helped the online start-up MapleMusic spin-off, an interactive creative agency focused on the music industry. He then led the Toronto consulting practice of Ideaca in Toronto, helping grow the business from a start-up to the largest Microsoft partner in Canada with over $60 million in revenue. Ideaca was eventually sold to Hitachi Solutions. Barnaby holds a B.Eng from McGill University and a Masters of Management in Artificial Intelligence (MMAI) from Queens University’s Smith School of Business.
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In his spare time, he enjoys woodworking, reading, and dragon boat racing.
Siriphone Maldonado
Sr. Director, People, Culture & Engagement
Siriphone is the Senior Director of People, Culture & Engagemnet for Harbinger. She is a seasoned communicator, possessing more than 10 years of corporate and communications consulting experience leading complex business transformations.
Siriphone is also well versed in corporate social responsibility, reputational management, media relations, event management and has supported several C-Suite Executives as a communications advisor for large corporations. At Harbinger, she is leveraged by clients for her communications expertise for all size business transformations. She is also PROSCI certified.
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In her spare time, Siriphone enjoys exploring the city of Toronto with her family and is a fan of thriller fiction novels.
Adam Rifai
Director, Finance & Business Transformation
Adam is a versatile and dynamic leader who excels in driving organizational change.
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As the Director of Finance & Business Transformation at Harbinger, he brings a wealth of expertise in financial management, business functions, people leadership, and customer relationship management.
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As a leader of large-scale change and learning programs Adam has an impressive track record of managing and supporting global ERP and business initiatives , with a strong focus on finance, project management, and stakeholder engagement. He is renowned for his ability to build high-performing teams, cultivate strong client relationships, and design and deliver high-quality training material that enables organizations to achieve their behaviour change goals.
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Beyond his professional accomplishments, Adam is deeply committed to supporting his local community, and pursuing continuous learning and education.
In his free time, he enjoys playing basketball and exploring new destinations worldwide, constantly seeking new experiences and opportunities for growth.
Robert Onderdonk
Office Manager
Rob is multi-talented at task management. He has a passion for orchestrating seamless tasks in Harbinger’s office and virtual workplace. As Harbinger’s Office Manager, Rob brings a blend of organizational wizardry and a commitment to supporting efficient time management for all team members and fostering a positive and collaborative work environment.
Leveraging his many years working at some of the Big 4 consulting firms along with his excellent stakeholder management, Rob provides support for our internal team as well as our clients when the moment arises.
In his free time, Rob is an avid reader and follower of all things Government and Politics. He also loves to travel and experience new foods.
Rhiannon Melvin
Digital Media Specialist
Rhiannon is constantly seeking new experiences to learn more about herself, the world, and what's in it.
A proud graduate of the Global Business and Digital Arts program at the Stratford School of Interaction Design and Business, where she found her passion for human connection.
Rhiannon enjoys spending her time adventuring, connecting with other like-minded individuals & creating digital stories from her life experiences.
Ola Dutkiewicz-Duminuco
Project Coordinator & Administration Specialist
Ola keeps things running smoothly behind the scenes - managing client engagements and stepping in to support internal projects, all to help keep operations efficient and on track.
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Before joining Harbinger, she earned an Honours Bachelor of Commerce in Business Management from Seneca Polytechnic. While in school, she led student groups, supported sustainability projects, and discovered a passion for project management and coordination.
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Outside of work, Ola spends her time with her family, reads books, plays games, and works on creative projects.  
Sami Khdair
Intern, Change Enablement & Learning
Sami is a Change Enablement & Learning intern who helps support our clients in large-scale change and learning programs. He brings a diverse background in venture capital, M&A advisory, and startup ecosystems.
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Previously, he founded Teenlink, an EdTech startup that provided over 1,000 job opportunities to youth across Canada. He is the author of Superhero Millionaire, a book teaching high school students about the fundamentals of entrepreneurship, business, and personal finance.
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Sami is also a student at the University of Toronto’s Rotman Commerce program. In his spare time, Sami enjoys reading books, exploring new startup ideas, and learning about how emerging technologies are shaping the future.