Strategy & Planning Services

Your business is not like anyone else’s. Your environmental plans, strategies and management systems shouldn’t be, either.

Strong Beginnings, Strong Results

At YellowYellow, our goal is to build long-term relationships with our clients. So, we start by getting to know you, your company, and where you want it to go. The backbone of our client-centred process is a carefully chosen team. Our specialists have experience handling the kind of issues you might be facing. They have the knowledge and expertise to deal effectively with any hiccups and challenges that may arise along the way.

The Starting Line

Our approach tracks relevant decarbonization, climate change and environmental data in a way specific to your business. We begin with a comprehensive needs assessment. From there, we work with you to develop a one-of-a-kind strategy and implementation plan. The result is the essence of sustainability, with attainable goals, annual target-setting roadmaps, and regular reviews to keep you on track.

Leave the navigation to us. You’ll be compliant, current and informed, no matter how the environmental landscape changes. We guarantee it.


Climate Change & Decarbonization Services

Global warming and the changing climate is the topic of the century, with measures and definitions that are constantly shifting. You need a partner who stays on top of legislative updates and industry best practices, helping to make your low-carbon, net-zero future a reality. YellowYellow guides your business through the complexities of environmental metrics and the tools you need to manage them. From risk assessments to the creation of full-on net-zero strategies, we will help you navigate through carbon capture solutions and the complex carbon-credit markets.

Reporting, Disclosures & Compliance Services

Transparent reporting. Regulatory compliance. Audit preparation. You can trust the experts at YellowYellow to deliver information with the quality, rigour and accuracy you need.

The metrics and reports you receive from us are complete, honed to your industry and aligned with the most respected global standards, like SASB, IFRS, GRI and TCFD.

When you work with YY, you get far more than comprehensive reporting and thoughtful analysis about environmental data. With our benchmarking information and gap analysis statistics, it’s easy to chart  your progress and keep the focus on your continuous improvement goals.

"E" is for Environmental

Greenhouse Gas Emissions, Climate Change, Water Consumption, Biodiversity, Energy efficiency, Waste Management.

What is your carbon footprint? Do you need carbon offsets?

"S" is for Social

Employee Engagement, Labour standards, Employee Health & Safety, Diversity & Inclusion, Data protection.

How have you incorporated Indigenous peoples?What is your customer privacy policy?

"G" is for Governance

Supply Chain Management, Lifecycle Management, Board composition, Executive compensation, Business Ethics.

How are critical incident risks managed? Do you have a whistle-blower policy?

Ready To Start Down Your Own ESG Path?


Begin with a viable, sustainability strategy that reflects your organization's unique needs.


From your initial vision to full-out operationalization, your sustainability goals will become practical achievements. YY will

Guidance & Support

Your organization. Your plans. Your empowerment. We help you

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Jeff Garcia-Seminario

AssociateSenior Associate, Social Impact
Jeff brings global experience in leading corporate social responsibility (CSR) and community engagement projects in the extractive sector.   Jeff excels in stakeholder mapping, community engagement, and conflict resolution.   Applying his private and public sector experiences, Jeff can bridge cultural and historical divides between extractive industries and their communities.  His areas of focus include food security, sustainable procurement, and good governance. Most recently, Jeff contributed to the development of an ESG strategy for a multi-national company.  
Jeff’s native language is Spanish. He enjoys morning runs in the neighboring parks. 

Kaitlyn D'Lima


Kaitlyn D’Lima holds both a Bachelor of Business Administration and a Master of Science and Sustainability Management degree from the University of Toronto.   She is also trained in greenhouse gas (GHG) accounting.

She brings extensive experience in sustainability and business transformational projects. She is known for her ability to execute projects of any size with both urgency and accuracy.   Kaitlyn has a natural talent for improving stakeholder engagement. She’s a real trailblazer when it comes to benchmarking and research.

Kaitlyn is a runner who participates in outdoor adventure races.

Arun Balu Pazhayannur


Arun B Pazhayannur holds a degree in mechanical engineering and is a Chartered Accountant. He also has an MBA from the Ivey Business School at the University of Western Ontario. Along with his academic achievements, he has a thorough knowledge of Environmental, Social and Governance (ESG) principles, which he incorporates into his consulting work. 

Arun is well-known for his leadership abilities as well as his strong skills in data analysis, financial modeling, and operations management. He has been recognized for his ability to identify practical solutions and deliver value to clients ranging from banks to payment companies to software providers. Arun is also a past President of Toastmasters Club. 

In his free time, Arun enjoys scuba diving.In his spare time, Arun likes to scuba dive. 

Gregory Donovan

Senior Advisor

Gregory  Donovan is a Chartered Accountant. He is a Fundamentals of Sustainable Accounting (FSA) Credential Holder.  He obtained an Honours in Business Adminstrations (HBA) from the Ivey Business School (Western University) and a Master or Laws (LLM) from the London School of Economics. Gregory is the CEO of Avondale Private Capital, a sustainable finance firm focused on energy transition finance and carbon markets.  He has presented on these topics at conferences in Canada, the US and UK.  

Greg participates in the occasional triathlon and loves to go skiing and sailing with his two young children.

Margaux Loptson

Associate & US Operations Lead

Margaux Loptson holds a Bachelor of Arts (Psychology) and a Bachelor of Arts (Criminology) from Pennsylvania State University. In addition, she holds several research certifications, including Ethical Conduct for Research Involving Humans

She has been an essential player in AI-powered teaching and learning projects as a User Experience (UX) lead.  Margaux is known for applying her design thinking, problem-solving and analytical skills to make a positive impact. She is a native French speaker

Margaux is a fitness enthusiast who can be found hiking around Central Park in NYC.

Ritika Jain

Associate / Responsible Supply Chain Lead

Ritika Jain holds a Masters in Environmental Sciences, Policy and Management from Lund University (Sweden)  and a Bachelor of Technology from Indraprastha University (India). As a lifelong learner, she is pursuing a Graduate Diploma in Corporate Social Responsibility and Sustainability at the University of Toronto.

Ritika is a recycling and responsible supply chain specialist.  Through her work, she collaborates with organizations to implement circular economy focused policies to ensure compliance with regulations.  

Her proficiency in data analytics and with the Global Reporting Initiative (GRI) enable her to manage complex sustainability data. Ritika also volunteers with the UN Sustainable Development Solutions Network, engaging with youth to drive positive change.  

Ritika is a native Hindi speaker.  She is a certified hiking leader who enjoys travelling.

Jonathan Spence

Associate & Western Canada Operations Lead

Jonathan Spence holds an Honours Bachelor of Integrated Sciences (Earth and Environmental Sciences) from McMaster University and has his certification in Geographic Information Sciences from the ESRI Canada Center of Excellence at McMaster University. Jonathan worked as a research analyst in the environment and sustainability group for a TSX listed company.  

He is pursuing his Ph.D. in Earth and Atmospheric Sciences at the University of Alberta, where he is researching the development of carbon capture techniques and their applications to the mining industry.  Jonathan is focused on helping companies to minimize their carbon footprint while supporting their economic growth.   

Jonathan is an avid water polo player and coach. He plays for the local National Championship League team. 

Gurnoor Gandhi

VP Business Development & Strategic Partnerships

Gurnoor Gandhi holds an MBA from Ivey Business School (Western University) and a postgraduate diploma in Maritime Energy Management (Sweden). Gurnoor brings experience with sustainability frameworks including TCFD, GRI, and CDP and is pursuing FSA credential (SASB). 

Gurnoor has global leadership experience in the shipping industry managing assets worth millions of dollars on the high seas and has led diverse teams worked in Monaco, Singapore, and India. Most recently, he led organizational development and client partnerships at CARD, a non-profit focused on rural development and renewable energy.

Gurnoor brings a blend of technical and leadership skills. He applied his knowledge of greenhouse gas accounting and carbon capture to support clients with niche energy transition projects. He is known for putting his problem-solving, stakeholder management, and project management skills to work to help firms expedite their ESG Journey. 

Gurnoor is a certified BMW adventure motorcyclist who finds off-road rides rejuvenating for body and spirit.  He enjoys hiking with his family.

Lisa-Annabel Ellis

Founder & CEO

Lisa Annabel Ellis holds an Honours Bachelor of Science (Environmental Science) from the University of Toronto and an MBA from the Ivey Business School (Western University). She is a certified Project Manager Professional (PMP) with a Six Sigma Green Belt. Lisa is a Fundamentals of Sustainable Accounting (FSA) Level II Candidate. Applying her deep expertise in business and operational strategies, she has led award-winning transformational initiatives.

Drawing on her well-rounded science and finance expertise, she launched YellowYellow to help clients advance their sustainability practices. As an advocate of transparency and good governance, she partners with clients to understand their risks and opportunities to generate superior long-term value. Stakeholders across the value chain recognize the impact of this effort. She has been called upon to be a keynote speaker and lecturer.

Lisa is an advanced scuba diver who enjoys most water-related sports.