Hire Freelance OpEx Consultants
Francesco Castellano
Freelance OpEx Consultant
Francesco has more than fifteen years of experience in research, finance, consulting, and business management. During this time, he has worked on 20+ projects as a consultant at Bain & Company and launched Uber operations in Turin, Italy. Lately, he has founded Tondo, an organization focusing on the circular economy, and Novu, a company driving the implementation of clean and circular innovations. Francesco is passionate about innovation and entrepreneurship.
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Jerry Bellman
Freelance OpEx Consultant
Jerry's completed over $10 billion in M&A transactions from early-stage companies to multinationals in Europe and the US, notably the exit of the healthcare innovator CareLinx to Generali. His experience also covers equity analyst, hedge funds, public accounting practice, and CFO roles and helping companies to develop KPIs, dashboards and financial strategy. Jerry joined Toptal to bring his analytic and modeling skills to a variety of companies.
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Gary Calnan
Freelance OpEx Consultant
Gary is a serial entrepreneur with CEO and CFO experience. Before co-founding an aerospace startup in 2017, Gary was the director of finance at a $120 million revenue SaaS company, where he was responsible for the financial management of multiple departments and supported three mergers. Gary leverages his unique blend of finance and entrepreneurial experience across early and growth-stage businesses to add value to Toptal clients.
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Andy Vietor
Freelance OpEx Consultant
Andy was recognized twice as an All-Star Analyst by the Wall Street Journal. He has been a strategist, operating executive, financier, and top-ranked industry analyst. As a freelancer, Andy advises a range of companies—from early-stage and middle-market to large caps—delivering customized solutions including effective investor presentations, dynamic financial models, and project finance structuring.
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Anuar Heberlein
Freelance OpEx Consultant
Anuar has participated in transactions across the Americas, totaling more than $7 billion over the past 12 years. He has extensive experience working with C-level executives and helping many Fortune 500 clients with corporate and growth strategy projects, M&As, valuations, and JVs. Anuar holds an MBA from INSEAD and a BS in economics from ITAM.
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Jason Seldon
Freelance OpEx Consultant
Jason is an operational leader with 20+ years of experience working at both large enterprises (PwC, Disney) and startups (Business.com, Coin-In). His experience includes raising ~$150 million in funding for various startups with multiple successful exits. He has a top-tier education as a Wharton undergraduate, a UCLA MBA, and as a CPA. He enjoys freelancing as it helps him to continue to develop his various skills as he works with new clients.
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Carole Crawford, CFA
Freelance OpEx Consultant
At Morgan Stanley, Carole advised eight founders through exits totaling over $750 million and then founded her own practice to manage venture investments for family offices. A former tech CFO, she freelances to leverage her experience with capital raises, strategic pivots, and turnarounds. She enjoys helping innovators and entrepreneurs achieve financial success across many verticals, and has recently focused her efforts on fintech.
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Neil Portus | CFA, CMA
Freelance OpEx Consultant
Neil is a CFO for growth companies and a former equity analyst at Goldman Sachs in NY where he helped lead numerous transactions including Zipcar's $1.1 billion IPO. He was also an equity analyst at Barclays Capital & Lehman Brothers and began his career at a boutique investment bank (M&A, restructuring, debt financings). He's built his operational skills both as a startup founder and as the CFO of an East Africa-focused impact investment firm.
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Aleksey N. Krylov, CFA
Freelance OpEx Consultant
Aleksey served in CFO roles of public and VC-backed private companies. As investor, he contributed to 25+ private equity deals that have deployed $500 million. He has advised 50+ clients on raising $1.6 billion in equity in the healthcare, consumer, media, software, energy, and industrial sectors. He enjoys working with officers of early stage and mature small-cap firms. He freelances because it exposes him to a wide range of companies.
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Mitchell Hymowitz
Freelance OpEx Consultant
Mitchell is an experienced Interim CFO who untangles thorny investment deals, closes stubborn financial deals, and builds complex financial models. As the Pacific Northwest's longest-tenured and most experienced consulting CFO, he has worked on over 90 financings and M&A deals valued at over $500 million. Mitchell has been freelancing full-time for over 25 years as it allows him to work with a wide variety of clients and their unique problems.
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Peter Jacobson
Freelance OpEx Consultant
A Harvard grad with an MBA from Stanford, Peter has served as CFO of three successful companies, led several acquisitions, obtained growth capital, led recapitalization efforts, and led a successful exit for the shareholders. He's also raised $500 million+ for clients as a VP at KeyBanc Capital Markets, a commercial and investment bank. Peter enjoys freelancing to help clients with capital raising, M&A, FP&A, and various CFO-related functions.
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