Who we are

Yellow Tree is passionate about the environment and about serving others. We are a team of Chemical Engineers that specialise in Carbon Accounting, Air Quality Compliance, and Emissions Measurement, and we love our work.

Carbon Advisory and Air Quality Compliance

Riyaal Cerpath

Riyaal Cerpath

Air Quality Engineer

BSc Eng: Chemical Engineering

Riyaal brings a wealth of knowledge to the Advisory department after being a field scientist for many years. He is always first to put his hand up for the odd jobs and to go the extra mile for his teammates.

Candice Little

Candice Little

Air Quality Engineer

BEng: Chemical

Candice brings her fresh energy to the Advisory team with passion for the environment and enthusiasm to explore engineering challenges in the carbon space.

Sanjana Sevprasad

Sanjana Sevprasad

Air Quality Engineer

BSc Eng: Chemical Engineering

Sanjana’s knowledge of chemical engineering aids in her excellent work in air quality consulting. When she’s not mulling over calculations, she enjoys cooking and baking for her friends and family.

Sasha Kasperski

Sasha Kasperski

Business Development

MEng: Chemical Engineering

Sasha has stepped up to take charge of the Advisory department with kindness and care, while making sure work is done to the highest level of accuracy. She leads with humility and integrity.

Bokani Moyo

Bokani Moyo

Air Quality Intern

MScEng: Chemical Engineering

Bokani brings so much enthusiasm to his work and is a man of great integrity. He always strives to deliver his very best and won’t settle for less.

Denham Lailvaux

Denham Lailvaux

Air Quality Engineer

BEng: Chemical Engineering

Denham is fastidious and hard working. Supporting Riyaal in helping our clients meet their greenhouse gas submission and carbon tax deadlines, we are thankful to have him in the team! His previous work on the mines has equipped him with superb knowledge.

Emissions Measurement

Aphiwe Gugushe

Aphiwe Gugushe

Operations Manager

MSc: Chemistry

Aphiwe’s enigmatic nature and productive work ethic ensure that our internal Yellow Tree laboratory operates efficiently and at the highest accuracy. We are delighted to have Aphiwe in our precious team.

Athandile Meji

Athandile Meji

Lab Technician

AdvDip: Chemical Engineering

Athandile is a steady and consistent scientist who is always happy to serve, and is working his way up the business through applying himself. He runs the internal lab and manages external laboratories in SA and the UK.

Maitaishe Svotwa

Maitaishe Svotwa

Air Quality Engineer

AdvDip: Chemical Engineering

Maitaishe is a diligent, intelligent, hard-working teammate who is taking on new challenges by leading the NAEIS reporting team. She is always willing and helpful, and quietly gets things done with excellent speed and accuracy.

Ray Slinger

Ray Slinger

Business Development

BSc (Hons): Environmental Science

Ray is effervescently joyful. His excellent communication skills, warmth and professionalism make him a Yellow Tree ambassador of whom we are very proud. They say that one should lead with the heart of a servant, and serve with the heart of a king. That is Ray!

Sonali Needhi

Sonali Needhi

Air Quality Engineer

BSc Eng: Chemical Engineering

Sonali joined us in the report writing department and has done well to keep up with the demands of data processing. When she’s not sifting through numbers, she’s a passionate foodie who never eats at the same restaurant twice.

Akhanani Shayi

Akhanani Shayi

Operations Administrator

BEng Tech (Hons): Chemical Engineering

With her bright energy, Akhanani has been a great asset to the team in keeping the operations running smoothly. Her ability to get things done is impressive!

Sakhumzi Baliso

Sakhumzi Baliso

Air Quality Engineer

NDip: Analytical Chemistry

Sakie is one of our best, having years of emissions sampling and laboratory experience under his belt. He now lends his expertise to matters of compliance, especially regarding NAEIS submissions. He always offers great service to our clients and is a joy to work with.

Field Scientists

Xolani Gajule

Xolani Gajule

Field Scientist & Trainer

AdvDip: Chemical Engineering

Xolani’s tenacious spirit means no problem is too challenging for him. He takes great pride in the accuracy and orderliness of his work. We’re proud of the way he has stepped up to lead the Johannesburg team with compassion and confidence.

Mandisi Tomose

Mandisi Tomose

Field Scientist & Trainer

AdvDip: Chemical Engineering

Mandisi is a humble, hard-working, and smart young man. He is the most teachable person we’ve ever known, with an insatiable appetite for knowledge. He imparts those skills to our team by being an excellent trainer.

Bevan Uithaler

Bevan Uithaler

Scientist and Equipment Technician

NDip: Chemical Engineering

Bevan has grown in leaps and bounds since joining our team. From field scientist to equipment technician, he is always willing to step up when needed, especially to help out a teammate.

Sibusiso Mahlangu

Sibusiso Mahlangu

Junior Scientist

NDip: Chemical Engineering

Sibu’s warm and sincere nature makes him a joy to work with. He communicates with clarity and kindness, and people always leave a conversation with him feeling heard and valued. He is a true asset to the Yellow Tree family.

Administration

Sean Charteris

Sean Charteris

Managing Director

BSc Eng: Chemical Engineering

Sean is a Chemical Engineer with a wealth of experience in combustion, energy generation and industrial emissions. He is passionate about the environment and loves people.

Claire Naude

Claire Naude

Financial Administrator

BEd: Foundation Phase

Claire is friendly, dependable, and wonderfully organised. She runs the administration at Yellow Tree with seamless efficiency and brings joy and warmth to all those who engage with her.

Caitlin Morris

Caitlin Morris

Managing Director

BSc: Chemical Engineering & LLM

Cait is a superb chemical engineer! She is incredibly bright and her work is flawlessly accurate. Cait is pioneering new developments in the field of low carbon energy production.