Hire the top 3% of freelance
blockchain consultants.

Toptal is a marketplace for top blockchain and cryptocurrency consultants, experts, and specialists. Top companies and start-ups hire blockchain experts from Toptal for their mission critical projects.

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Hire blockchain consultants

Jeffrey Fidelman, United States

Freelance blockchain expert
Jeffrey has directly executed over $500 million in transactions across real estate, private equity, public equity, and venture capital. Freelancing gives him the ability to work directly with leadership in order to achieve efficient and positive results. Typically working closer with executive management for strategic planning and execution, he is known to roll up his sleeves and work with each layer of employment to develop and execute a plan. Click to continue

Hamed Moghaddam, United States

Freelance blockchain expert
During his 22 years of investment banking experience, Hamed has executed 60 transactions valued at $1.9 billion, including financings, M&A, and advisory assignments. His clients have ranged from early-stage startups to large publicly-traded companies. In his freelance work, Hamed leverages skills in financial modeling, valuation, and pitch preparations to advise clients on capital raising, M&A, corporate finance, and venture capital projects. Click to continue

Raphael Rottgen, CFA, Switzerland

Freelance blockchain expert
Raphael was the co-founder of a fintech company which he grew to 50 employees and merged with a competitor after only four years. He's is currently a partner in a cryptocurrency hedge fund and worked for 15 years as a global equity investor and an investment banker at firms like Deutsche Bank and J.P. Morgan. He holds a master's in AI. As a consultant, he's passionate about analyzing innovative businesses and helping them grow. Click to continue

Jeffrey Mazer, United States

Freelance blockchain expert
Jeff is a high-level financial expert and lawyer with proven skills in financial and investment analysis. He has a special expertise in situations requiring a multidisciplinary view. He likes working on different types of projects and with companies in different industries, and freelancing allows him to do that. Jeff’s experience encompasses valuation and financial modeling, investment management and analysis, and corporate transactions. Click to continue

Carolyn Deng, Singapore

Freelance blockchain expert
A Wharton MBA and CFA, Carolyn has managed a $700 million VC portfolio for a pension plan, executed 20+ VC/PE investments and exits, and advised Bain clients on growth and return strategies. She's worked with startups and corporates across China, Canada, US, and Australia in VC financing, investment management, strategy, M&A and business development. Freelancing allows her to choose the projects that best leverage her unique experiences. Click to continue

Alex Pugmire, United States

Freelance blockchain expert
At Goldman Sachs, Alex was a top-ranked investment banking associate and worked on the team that executed one of the Industrials group's largest deals - the sale of ADT to Apollo Global Management. He enjoys Toptal because he gets to work one-on-one with interesting companies on some of their most challenging projects, advising them on potential M&A, leveraged buyouts, divestitures and capital allocation strategies. Click to continue

Charlie Strout, United States

Freelance blockchain expert
Charlie is an entrepreneurial financial analyst and product manager who leverages excellent communication skills and financial modeling techniques to provide strategic advice to companies, analyze companies for investment, and create financial analysis tools. He holds a joint-MBA from Columbia Business School and London Business School. He is freelancing because he enjoys working with a variety of companies all over the world. Click to continue

Todor Velev, Spain

Freelance blockchain expert
Todor has 20+ years of experience as a senior consultant with A.T. Kearney and KPMG—advising on projects with a total value of $2+ billion in multiple sectors and in 15+ countries across Europe, Latin America, and North America. He has extensive experience working with startups and leading publicly traded companies. Freelancing allows him to have a constant flow of challenges, to increase his client base, and to establish long-term relationships. Click to continue

Alex Graham, United Kingdom

Freelance blockchain expert
Alex is a London-based CFA who has had a career across the world. He enjoys freelancing to keep abreast of industry trends and to reinforce his experience from venture capital, consulting and bond/currency trading. With a technical skill set and an engaging communicative touch, he is proficient at valuations and market analysis. His breadth of work has ranged from projects with the Bank of England to helping a jewelry entrepreneur to fundraise. Click to continue
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Mac Smith
President @ New Texas Investments
“The best talent is at Toptal for sure. It's way better and faster than any other means of getting top talent.”
Rajesh Nagarajan
Co-Founder & CTO @ maxmantra
“What really sets Toptal apart is the caliber of finance talent available in their network. I had a very specific and pressing need, and Toptal quickly matched me with the perfect person for the job. The expert produced a thoughtful and robust financial analysis that has ultimately allowed us to forecast and prioritize initiatives much more efficiently.”
Chris Pozek
CEO @ Veterans Rideshare
“Toptal has been an incredible key partner for Sidekick. As an early-stage start-up, we’ve leveraged both design and financial talent. The experience has been incredible, with those professionals bringing creativity, expertise, and advice to ensure Sidekick succeeds. My Toptal financial expert helped steer Sidekick’s business model, which resulted in an initial ROI of 650x! My experience with Toptal has given me great confidence in the future.”
Doug MacKay
Founder / CEO @ SideKick
“I can't say enough about how happy and confident I am in working with Enrique. He brings an enthusiasm to his profession that is very refreshing, constantly surprising us with his depth of knowledge and his capability to not only complete the task, but to surpass our expectations. He presents us with solutions that we would not have thought about ourselves, and sees the problem better than we can explain it.”
Chad Berryman
Senior Technical Lead @ Zoomedia
“One of our most time consuming problems is finding qualified staff. We need to find the correct platform to advertise on, create a proper ad, filter through tons of applications, interview and test the applicants' capabilities, and finally take a risk by hiring. This was the old way of doing things. The new way: describe the job position to our Toptal account manager, interview a few qualified applicants, and hire with a risk-free trial -- much faster, a lot easier, and with incredible results.”
Catalin S. Balaci
Owner @ EvoBits Information Technology SRL
“We had a wonderful experience with our Toptal consultant. He was very reliable and punctual, delivering excellent work on a budget—we will certainly be using him again!”
Barbara Karpf
President @ DecoratorsBest
“What attracted us to Toptal was that Toptal is sourcing its talent from a global pool. The selection process is very stringent. They’re sourcing the talent not only based on capabilities -- sourcing the best 3% -- but also based on cultural fit, which is really important to us. We had an amazing experience working with Toptal. Toptal helped us achieve our goals by bringing us very high-quality resources, on very short notice.”
Elmar Platzer
Digital Transformation Leader, CSR Australia @ CSR Limited
“Getting set up with Toptal and finding a new team member was so easy, I don't know why anyone wouldn't give it a try. Best of all, we no longer have to worry about finding great people to help with our projects!”
Mike Branch
President & CTO @ Harbor System Integrators, Inc
“Toptal has been extremely helpful to us in finding top remote talent. The ratio from interview to hire with Toptal candidates is the highest I've ever experienced in my professional career.”
Philipp Berner
Co-founder and CTO @ KeepSafe
“Toptal has helped my business tremendously by finding, vetting, and recruiting the talent I need, at the right time. I’d definitely recommend it to others.”
Xavier Xicay
CEO & Creative Director @ Tuatara Corp
“Chris was great to work with and was always available on my schedule. His communication skills and personality were a 10/10. His outputs on the project were top notch and allowed us to develop more efficient forecasting and initiative prioritization frameworks. I would definitely use Chris again.”
Chris Pozek
CEO @ Veterans Rideshare
“I was very impressed with the quality of finance talent in Toptal’s network. Our expert's experience was immediately evident through his insightful questions and the speed at which we could move. Toptal stayed on top of the process from making the match through to the successful completion of the project. I've already recommended Toptal Finance to my network.”
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Founder and CEO @ GSD
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