Our Staff

Team Members

Karim Teja

Partner, Consultant – Chief Financial Officer

Karim is an accomplished financial and operations executive with over two decades of success in technology commercialization. He has an extensive background bringing new products to market, manufacturing and distribution of technologies, and mergers and acquisition work. In 2006, Karim was one of the winners of the coveted Ernst and Young Entrepreneur of the Year Award (and was a finalist in 2005) for his instrumental work in rapidly commercializing and distributing globally a new healthcare product.

Karim is recognized for his financial expertise, strong negotiation skills, implementing a customer focused culture, and meeting fiduciary obligations to Board of Directors and shareholders. He draws on his strong business acumen and experience to resolve critical financial and business decisions. Karim has held various senior executive level positions and has significant experience in environmental related issues and technologies, oil field service companies, software as a service platforms, artificial intelligence and machine learning emerging technologies, and not-for-profit and charitable organization management.

Swapan Kakumanu

Partner, Consultant – Chief Financial Officer

Swapan has more than 25 years of senior finance and operations experience and has served at the senior executive management levels, both in public and private companies, in high growth technology, manufacturing, blockchain, medical device, and oil field services industries. He has held senior roles as President, Chief Executive Officer, Chief Financial Officer, Controller, Company Secretary, and Board Member for public and private companies in the information technology and energy services sectors.

Swapan has extensive experience in public company reporting, investor relations, ERP implementations, mergers and acquisitions, internal controls, and overall financial and operations management. He is well versed in commercializing technologies and launching software (including SaaS) solutions and his experience spans manufacturing, distribution, oilfield services, healthcare technologies, and multi-jurisdictional operations. He is a results-driven and efficiency focused individual providing strategic advice to his clients.

Jenna Robottom


Jenna was born and raised in small town Alberta and moved to Calgary in 2009 to pursue her accounting career. Jenna successfully completed the UFE and obtained her CA designation in 2014 while articling at a mid-sized accounting firm. Prior to joining RTB in 2016, Jenna had five years of detail-oriented audit and taxation services experience working for several clients in the oil and gas, technology, and land development sectors. While working at the accounting firm, Jenna was known for her passion and commitment in the facilitation and mentoring of up and coming CPA candidates.

Jenna has an established reputation for going above and beyond to help others and has found her niche in accounting in providing controller services to businesses on a part-time basis. Her attention to detail and dedication to building and developing client relationships makes Jenna a valuable part of the RTB team.

Hisham Hussain


Hisham joined our team in 2018 and provides CFO and Controller services to clients. He has 15 years of extensive experience providing financial oversight and business insight to companies across many industries. He started his career in public accounting and gained extensive experience in financial reporting, accounting standards, auditing, and taxation. After seven years, Hisham transitioned to industry and worked with some of the largest North American companies. During this time Hisham developed expertise in internal business functions which was has made him a well-rounded accounting and finance professional.

Hisham is driven and motivated by the desire to solve complex problems faced by clients and see them succeed. He likes to spend time with family, training in Kyokushin, and keeping up with his studies in economics and history.

Jeremy Ng


Jeremy is a skilled designated accountant with over a decade of senior-level experience. He has a strong history in management and reporting and has worked closely with many C-level executives. He builds strong relationships with his colleagues to create a solid working foundation.

Jeremy is recognized for his strength in process improvement and historical cleanup and has created new process and control environments for his clients. His reports and infrastructure setup focuses on being streamlined and simple. His work experience spans the restaurant, entertainment, oil and gas production, oil and gas field service, construction, building management, and software as a service industries.

Cindy Chang


Cindy graduated from Acadia University with a Business Administration Bachelor degree in 2008. She earned her CPA designation in 2014 and brings vast and in-depth experience to RTB, having worked in many industries, including oil and gas, manufacturing, agriculture, and IT. Cindy works as a part-time assistant controller and utilizes her detailed-oriented skillset to perform full-cycle accounting, financial reporting, and payroll tasks for her clients. Cindy thrives to build strong relationships with her colleagues and clients to foster a solid work foundation.

In Cindy’s spare time she is an avid dancer, loves to snowboard, and spend time with her family and friends.

Bradley Lepla


Brad is an accomplished financial executive with nearly two decades of experience in taxation and financial reporting. He has an extensive background in ERP implementation, financial reporting, financial modeling, and financial analysis. Prior to joining RTB, Brad was the Chief Financial Officer of a TSX traded energy services company. And prior to that he was the Manager of Corporate Accounting and Tax Specialist at a billion-dollar energy services firm. In addition, Brad has experience with start-up ventures and the challenges faced in the initial growth stage.

Brad has been recognized for his financial reporting expertise, strong analytical skills, extensive ERP implementing and development experience, and streamlining business systems through corporate reorganization, business innovation, process redesign, and automation. He has a strong base with in-depth comprehensive financial reporting and analysis. Brad has accumulated a breadth of industry knowledge and understanding of corporate systems and strategic success factors for public and private companies in oil and gas, field services, construction, manufacturing, real-estate, retail, diversified income trust funds, engineering firms, labour contracting, software as a service platforms (SaaS), fintech, mining and mineral exploration, green technology, not-for-profits, and emerging markets.

Gary Tong

Gary joined RTB in 2018 as accountant with over 10 years of financial, AP, and AR accounting experience and expertise. Prior to joining RTB, he was a large contributor in the energy and property management sector. Gary graduated from the Southern Alberta Institution of Technology with a Bachelor of Business Administration degree majoring in Accounting.

Gary has been recognized for his strong analytical skills and detail-oriented experiences. These attributes continue while working at RTB - adding with his client dedication and passion for building strong client relationships.

Shareen Tazdin


Shareen Tazdin is a CPA, CMA and holds a Bachelor's degree in International Business Administration from USIU – Africa. Before moving to Canada in 2011, Shareen ran her family business in Kisumu, Kenya, where her passion for accounting and finance was fostered. If she's not thinking of bottom-line, she is thinking of turnover. Prior to joining RTB in 2017, Shareen had 5 years of project accounting, human resources, and taxation experience while working in the construction industry in Vancouver, BC.

Outside of work, Shareen enjoys exercising, hiking, reading, volunteering in various community events and is an axe throwing champion! 

Amyn Ramzan


Amyn is a consultant to RTB; but that doesn't make him any less valuable. As we know first hand at RTB, consultants can feel as apart of the team as an employee! Amyn's value-added services are critical to the success of RTB and several of RTB's client. Amyn has been working alongside RTB so long that it's difficult to remember what he did prior to.

Amyn has an established reputation for maintaining client satisfaction. Amyn's dedication to his work and his clients is what makes him such an irreplaceable part of the RTB team.

Abdulwasi Abdulaziz

Abdulwasi is an aspiring CPA student currently completing his Bachelor's degree at the University of Calgary. He currently holds an entry-level accounting role with RTB and is a valuable member of the RTB team. Abdulwasi is extremely passionate, dedicated, and detail-oriented with the capacity to go above and beyond what is expected to achieve his client's goals.

Outside of work, he enjoys various outdoor activities along with spending time with family and friends. 

Christy Williams


Prior to joining RTB, Christy worked in industry, in various accounting and finance roles. She also worked briefly in external auditing and consulting. Aside from working in Canada, Christy has exposure and experience in various roles with US companies.

Outside of work, Christy loves to hike! She also enjoys playing volleyball, badminton, and is in the process of learning how to play guitar.

Matthew Wong


Matthew received his Bachelor of Commerce degree from the University of Alberta then went on to obtain his CA designation in 2010. Previous to joining RTB, Matthew was a franchise owner, giving him in-depth and personal experience with the challenges of a start up entity. Mathew is able to utilize this fist hand business experience with his clients, making him an absolute asset to the RTB team.