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Top Freelance Sustainable Development Experts for Hire

Jéssica B.

Scientific Writer, Translator, and Editor | Data Analysis | English <> Brazilian Portuguese | M.Sc. Marine Science
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USD 30/hr
Masters
Brazil

Researcher and data analyst with eight years of experience, utilizing programming, statistical, and data visualization tools to generate result...

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USD 30/hr
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Timilehin J.

Economic & Financial Data Analysts | Expert in STATA, EViews, Gretl, JMulTi, SPSS, & R.
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USD 80/hr
Masters (Science)
Nigeria

Specializing in econometric modeling—particularly time-series and panel data—to evaluate program effects, forecast trends, and assess policy im...

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USD 80/hr
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Mqondisi K.

Multilingual freelancer with a background in Finance and Accounting from North-West University and international experie
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USD 20/hr
Accounting and Finance
South Africa

Mqondisi Khumalo is a skilled and knowledgeable professional with a strong academic background in Finance and Accounting, earned from North-We...

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USD 20/hr
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Aryono Imam K.

Expert to the writer/academic discourse on project management, supply chain, renewable energy and robust data analyst
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USD 100/hr
Business Management
Indonesia

Expertise in project management, supply chain and renewable energy. Currently driving renewable energy research initiatives, including solar PV...

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USD 100/hr
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Abass T.

Freelance Academic writer/reviewer, data analyst with STATA, SPSS, EXCEL & R, and Geospatial analyst /ArcGIS & Q...
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USD 10/hr
Bachelor of Science (BSc.) Planning
Ghana

I am an academic writer and reviewer with experience in research design, literature review and synthesis, and quantitative and qualitative data...

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USD 10/hr
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Dr. Mohamad H. K.

PhD Candidate Energy Engineering | Expert in building energy performance modelling and urban sustainable policies
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USD 35/hr
M.Sc (Master of Science)
Italy

I am a PhD student in Energy Engineering, with years of experience with energy performance modelling in the built environment. My track recor...

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USD 35/hr
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Manaswini N.

Freelance Researcher | Agricultural Economist | Data Analyst (R, STATA, SPSS) | Rural Development Specialist | NRM |
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USD 10/hr
M.Sc. Agricultural Economics
India

I am a postgraduate in Agricultural Economics with strong research experience in sustainable agriculture, rural development, and natural resour...

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USD 10/hr
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Felipe M.

Freelance Econometrician & Data Analyst | Expert in causal inference and analytics using R and STATA
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USD 95/hr
PhD in Economics
United Kingdom

I am an applied econometrician working at the intersection of technology and social science research. I leverage economic theory and data analy...

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USD 95/hr
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Kaushik R.

Aviation & Sustainability Expert | R&D Climate Impact, Data Analytics, Trajectory & Conceptual Design & ...
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USD 20/hr
Aerospace Engineering
Germany

Multidisciplinary Aviation R&D Project Manager with experience across airlines, airports, and collaborative EU-funded initiatives. Speciali...

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USD 20/hr
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Dr. Dr. Anup K.

Botany; Microbiology; Food Technology; Environmental Sciences; Mycotoxin mitigation
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USD 199/hr
PhD-Life Sciences
India

Developing aflatoxin mitigation strategies in oilseeds during pre harvest and post harvest using biocontrol agents and aroma compounds

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USD 199/hr
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Thaís Fabiane G.

Environmental Scientist | Aquatic Ecotoxicology Specialist | Limnology Researcher | Ph.D. Candidate
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USD 10/hr
Masters (Science)
Brazil

Graduated with a Bachelor’s Degree in Biological Sciences (Teaching License) from the Federal Institute of Education, Science, and Technology o...

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USD 10/hr
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Sanja O.

PhD Researcher in Sustainable & Nature-Based Tourism | SPSS/SEM Expert | Published Author |
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USD 30/hr
PhD Geosciences (Tourism)
Sweden

I am a researcher and academic with a PhD in tourism studies and over seven years of experience in sustainable tourism development, ecotourism,...

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USD 30/hr
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Chithmi P.

Biotech researcher & academic writer I Expert in Microbiology
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USD 20/hr
Bachelor of Science Honours in Plant Biotechnology
Sri Lanka

I am a passionate biotechnology researcher with first-class honors from the University of Colombo, specializing in natural product research, mi...

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USD 20/hr
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Spencer D.

Academic Editor & Strategy Consultant | Ex-Wall Street Exec | Expert in Public Finance, Business
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USD 92/hr
Accounting Global
United States

I am a seasoned academic and consultant with over 15 years of experience in business education, policy research, and economic strategy. As a...former Assistant Professor, I taught undergraduate and graduate courses in finance, economics, and public...

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USD 92/hr
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Dr. NAJMUL H.

Certified Business Educator | Member, Int’l Social Capital Association | 20+ yrs teaching, research and practice
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USD 95/hr
Ph.D.
India

I am a **Certified Business Educator** with over 20 years of experience in teaching, research, and practice across finance, marketing, entrepre...

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USD 95/hr
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Dr. Mohammad F.

⭐⭐⭐Over 15 years of Experience in Research and Writing for Academics, Medicals, Businesses ✅ Unlimited Revisions for You
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USD 9/hr
2nd Phd in Entreoreneurship
Iran

⭐I help Medicals, Academics, and Students with any professional analysis and writing such as paper, thesis, report, etc.⭐ ⭐Although I have jus...

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USD 9/hr
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Dr. Muhammad H.

Data Scientist | Statistical Modeler | R, Python, STATA, SPSS | Machine Learning | SAE | Inequality Indices | DHS
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USD 40/hr
Doctoral
Korea, South

Muhammad Hamza is an ambitious PhD student specializing in Biomedical Big Data Analytics at Gyeongsang National University, South Korea. He has...

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USD 40/hr
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Michael A.

A Civil Engineer with a strong interest in construction engineering and management, and infrastructure sustainability
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USD 20/hr
Professional Diploma
Nigeria

A Civil Engineer with a strong interest in structural engineering, construction management, and infrastructure sustainability. I hold a Bachelo...

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USD 20/hr
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Anissa M.

Global Legal & Strategy Expert | Founder-CEO | Tech-Enabled Energy, Policy, Compliance & Business Innovation Lea...
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USD 275/hr
Bachelor of Law
Indonesia

I’m a globally recognised legal and business strategist with over a decade of experience leading high-impact initiatives across tech-enabled en...

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USD 275/hr
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Dr. Hakikur R.

AI Ethics Researcher & Academic Editor | Expert in ICT4D, Blockchain, and Knowledge Management
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USD 50/hr
Doctor of Philosophy (Ph.D)
Bangladesh

I am a researcher, academic editor, and consultant with over two decades of experience at the intersection of information technology, knowledge...

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USD 50/hr
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Dr. Sebastiaan D.

Senior Environmental & Forestry Consultant
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USD 65/hr
Ph.D. in Bioengineering
Belgium

Senior Environmental & Forestry Consultant | EIA, Remote Sensing, Sustainability, Forest Certification, GIS, Carbon Certification, ESG Hel...

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USD 65/hr
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Dr. Dr Neelam C.

Expert Social Scientist PhD Mentor SSRN Top Ranked Author Research Editing Publication Consultant
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USD 60/hr
Ph.D (Doctorate of Philosophy in Sociology)
India

Dr. Neelam C. Dey Executive Director & Director – Research | Social Scientist | SSRN Top-Ranked Author Email: xxxxxxxxxxxxxxxxxxxxxx | Phon...

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USD 60/hr
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Dr. Oleksandr G.

Environmental Modeler & LCA Expert | SimaPro, MRIO, Water Stress, Urban Metabolism | PhD
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USD 35/hr
PhD
Germany

am a Ukrainian postdoctoral researcher currently based in Germany, specializing in life cycle assessment (LCA), multi-regional input-output (M...

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USD 35/hr
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Gonzalo Sebastian R.

PhD cand. Social Sciences. Consultant: innovation, policy. High-impact research impact for social ventures
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USD 30/hr
master en emprendimiento e innovacion
Argentina

With a cum laude degree in political science, award-winning publications, a scholarship abroad, a master's degree with honors from the Univ...

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USD 30/hr
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Saba N.

Premium Guest Posting services provider: Secure Backlinks from Trusted Websites
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USD 100/hr
Bs hons 4 year in economics
Pakistan

Are you looking to elevate your website’s SEO and drive organic traffic? My premium guest posting service is here to help you achieve your goal...

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USD 100/hr
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Kolabtree is the leading online marketplace for Sustainable Development experts. Post your project, get bids, and hire qualified experts quickly and easily.

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Confidentiality Assured

We take several measures to help you work with full confidence and peace of mind.

Keep your project private

Restrict who can see your project and send you proposals. Invite only specific freelancers to view your project.

NDAs and IP protection

Our T&C include a default confidentiality clause that protects your IP and NDA for added protection before disclosing project details.

Kolabtree ensures safety and security of your payments and personal information and project details. Kolabtree’s T&C includes a default confidentiality and NDA clause.

You will receive detailed proposals directly from Kolabtree. These proposals will include a comprehensive Statement of Work (SOW), project fees, milestones, and deadlines.

You can choose to pay either a fixed or an hourly fee based on your scope of work. Pre-pay for the next milestone. You have to approve the deliverables only if the quality meets your expectations. If you arn’t happy, we’ll refund your money.

Kolabtree will share multiple quotations for your project. You have the freedom to accept the quote that aligns with your project requirement and budget. You can get in touch with us in case you want to discuss the fee.

Our T&C include a default confidentiality clause that protects your IP and NDA for added protection.

Why Kolabtree

Contact experts directly

Speak directly with freelancers and explain your requirements.

100% satisfaction guaranteed

You have to approve the deliverables only if quality meets your expectations. If you arn’t happy, we’ll refund your money.

Project Management

Keep track of files and conversations in the user-friendly Workspace.

Flexible, secure payments

You can choose to pay either a fixed or an hourly fee based on your requirement.

How it works View full page
1

Post your Project (Free)

Your project details are safe, secure and visible only to logged-in users.

2

Get Quotes & Choose Experts

Discuss your requirements in detail with the experts before accepting the final statement of work from Kolabtree.

3

Collaborate

Pre-pay for your project and work with the expert to get your desired output. Keep track of files and conversations in the user-friendly Workspace.

4

Job Done!

Approve the deliverables once you're satisfied with the job done.