INTERNSHIP DETAILS

2027 Summer Investment Banking Associate

CompanyMarathon Capital
LocationChicago
Work ModeOn Site
PostedJuly 30, 2026
Internship Information
Core Responsibilities
Associates will support investment banking and financial advisory efforts by conducting financial analysis, building models, and performing due diligence. They will also assist in capital raise and M&A processes while working directly with senior bankers on live deals.
Internship Type
intern
Company Size
155
Visa Sponsorship
No
Language
English
Working Hours
40 hours
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About The Company
Marathon Capital is the largest independent investment bank dedicated to servicing the clean economy. Throughout its 25-year history, the firm has played a pivotal role in many of the groundbreaking and transformative transactions for new and emerging sectors, consistently delivering exceptional results for its clients. The firm is a leading global financial adviser across M&A, equity capital solutions, debt capital solutions, tax capital solutions, offtake solutions, and strategic advisory. Marathon Capital is a multi-year winner of “M&A Advisor of the Year” by Power, Finance & Risk Magazine, and was recently awarded “Financial Adviser of the Year – North America (2023)” by IJ Global. Marathon Capital is headquartered in Chicago, with offices in New York, Houston, San Francisco, San Diego, London, and Calgary and with local presence in Madrid and Seoul.
About the Role

2027 Summer Investment Banking Associate

Application Deadline: 15 November 2026

Department: Investment Banking

Employment Type: Internship

Location: Chicago



Description

Summer Investment Banking Associates support the firm’s investment banking and financial advisory efforts and work alongside senior bankers in deal origination, execution, distribution and closing. Associates will gain significant exposure to all aspects of the investment banking industry, including building financial models, authoring offering materials, creating management presentations and conducting industry research.

Over the course of the 9-week program in Chicago, Summer Investment Banking Associates will participate in industry and technical training programs, live deal work, mentorship, and firm-wide networking and events.


Key Responsibilities

  • Build sector expertise in renewable and conventional power generation, power and utilities, energy technology and infrastructure
  • Conduct financial analysis and create detailed financial models, valuation and pro forma analysis of clients' businesses, projects and acquisition targets
  • Assess strengths and risks of client positioning and perform due diligence on clients and acquisition candidates
  • Support capital raise and M&A processes by preparing offering materials and distribution lists
  • Develop strategic and critical thinking skills to help clients navigate the rapidly changing energy and infrastructure markets
  • Work directly with senior-level bankers in a leading energy investment banking firm


Skills, Knowledge and Expertise

  • Be enrolled in an MBA program with an estimated graduation date of Spring 2028
  • 4+ years working knowledge of finance and accounting
  • Robust analytical skills
  • Excellent interpersonal and communication skills
  • Experience working in teams
  • Ability to simultaneously manage multiple projects in an intimate, fast-paced environment
  • Close attention to detail and ability to work toward specified timelines​
  • Strong financial modeling and advanced Microsoft Excel skills
  • Knowledge of or interest in the renewable and conventional power generation, energy storage, power and utilities, and energy infrastructure sectors (a plus)


Benefits

Associates will gain significant exposure to all aspects of the investment banking industry, including building financial models, authoring offering materials, creating management presentations, and conducting industry research.
Key Skills
Financial modelingValuationPro forma analysisDue diligenceCapital raiseM&A processesStrategic thinkingCritical thinkingMicrosoft ExcelFinancial analysisCommunication skillsInterpersonal skillsTeamworkProject managementResearchData analysis
Categories
Finance & AccountingEnergyConsultingManagement & Leadership
Benefits
MentorshipTechnical training programsIndustry training programsNetworking events