Find your path to Thomas
1,086 people in our graph share verified history with Thomas — schools, employers, funds. One of them is your warm intro.
Jeffrey TongunlockedThomas: together at Harvard University (1998–1999)
Thomas: together at Harvard University
Thomas: together at AI Fund
×7Thomas: together at American University
About
Thomas Kiessling is the Chief Executive Officer of PassiveLogic, working in the clean technology, energy, and industrial IoT sectors. He previously served as Chief Development Officer and Business Unit CEO at Siemens, where he established Building-X, eMobility as a Service, and Energy as a Service beginning in 2021, and co-founded AmplyPower in 2019, which was acquired by BP in 2021. His earlier roles include COO of Symphony.com and CEO of Deutsche Telekom/T-Mobile's Digital Business Unit, and he has held board positions including strategic advisor to Aigen.io and Chairman of the Supervisory Board at Scout24.
Experience
- PassiveLogicChief Executive Officercurrent2026 — presentSalt Lake City, Utah, United States, Palo Alto, California
- Peachtree InfrastructureCo-Founder, Advisorcurrent2026 — presentPalo Alto, California, United States
- AI FundVenture Advisor / Board Membercurrent2026 — presentPalo Alto, California, United States
- AigenStrategic Advisorcurrent2021 — presentPalo Alto, California, United States
- German Accelerator Life SciencesSelection and Advisory Committee for Life Science AI startupscurrent2016 — presentUS & Germany
- SiemensCTO Siemens Smart Infrastructure2021 — 2026Palo Alto / Zug, Switzerland
- Summa EquityIndustrial Advisor2023 — 2024Palo Alto, California, United States
- AMPLY Power, Inc.Co-Founder / Product / COO at AMPLY Power - Real time predictive IoT platform2018 — 2020Palo Alto
- Symphony.comCOO2016 — 2019Palo Alto
- Securitas DirectCTO - Security based on computer vision IoT2015Sweden, Spain
- Deutsche TelekomCEO Digital Business Unit, Member Executive Committee (Corporate Board) DT/T-Mobile2010 — 2015Frankfurt Rhine-Main Metropolitan Area
- bwin Interactive Entertainment AGCTIO - Real time CRM / analytics driven gaming2006 — 2010
- Amadeus IT GroupeTravel, Member of the Management Board2002 — 2006
- Energis ISIONChief Operating Officer2000 — 2002Hamburg
- Global OneSales Manager / Director Network Products1994 — 1999Paris, Brussels
- Harvard UniversityResearch Fellow1998 — 1999Boston
- AnalysysConsultant1993Greater Cambridge Area
- European CommissionConsultant1991Brussels
- World BankConsultant1990
Skills & more
Technology Trends1Institutional Investments1General Operations1Finance1Entrepreneurship15Cloud Computing22Sales3E-commerce13Agile Methodologies14Mobile Devices19Telecommunications17Business Strategy24
+12 more
Product ManagementOutsourcingBusiness DevelopmentAdvertisingNew Business DevelopmentStart-upsIntegrated MarketingStrategic PartnershipsManagementStrategyLeadershipStrategic PlanningLanguages English · French · German · Russian · Spanish
From Thomas's professional profile.
Colleagues at AI Fund
Andrew Ng
Managing General Partner at AI Fund
Andy Ku
Partner at AI Fund
Anthony Soohoo
Venture Partner at Copper Sky Capital
Bill MacCartney
AI Fund Fellow at AI Fund
Brendan Marx
Engineer at AI Fund
Carlos Alzate
CTO at AI Fund
Dan Landau
Sr. Marketing Manager at AI Fund
Daniel Macklin
Venture Advisor at AI Fund
Frequently asked questions
- Who is Thomas Kiessling?
- Thomas Kiessling is the Chief Executive Officer of PassiveLogic, working in the clean technology, energy, and industrial IoT sectors. He previously served as Chief Development Officer and Business Unit CEO at Siemens, where he established Building-X, eMobility as a Service, and Energy as a Service beginning in 2021, and co-founded AmplyPower in 2019, which was acquired by BP in 2021. His earlier roles include COO of Symphony.com and CEO of Deutsche Telekom/T-Mobile's Digital Business Unit, and he has held board positions including strategic advisor to Aigen.io and Chairman of the Supervisory Board at Scout24.
- Where does Thomas Kiessling work?
- Thomas Kiessling is Venture Advisor at AI Fund.
- Where did Thomas Kiessling go to school?
- Thomas Kiessling studied at Harvard University (Post Doc Research Fellow, Information Technology); Télécom Paris (Master, Telecommunications); University of Hohenheim (PhD, Economics).
Same school
Also attended Harvard University2,000
Ron ConwayFounder of SV AngelAlfred LinPartner at Sequoia CapitalChris DixonFounder & Managing Partner of a16z crypto at Andreessen HorowitzSarah TavelVenture Partner at BenchmarkDanny RimerPartner at Index VenturesLaela SturdyManaging Partner at CapitalG
+ 1,994 more
Also attended Télécom Paris98
Arthur MenschCo-founder & CEO of Mistral AIRania BelkahiaInvestor at EQT VenturesLukas WeberPartner, CEO at Verve VenturesCyril CollonGeneral Partner at Partech VenturesJean SiniGeneral Partner at Partech VenturesJulien-David NitlechManaging Partner at Iris Capital
+ 92 more
Also attended University of Hohenheim17
Lisa GirardOperations at 10x FoundersIbrahim KöranHead of GovTech at Heliad AGJorge Fernández VidalInvestor at Liechtenstein GroupSebastian SchroffCIO Private Credit & Private Equity at Allianz Global InvestorsGaia AmatteisHead of Program at SpinLabSebastian RessinExecutive Partner at HQ Trust GmbH
+ 11 more
Also attended University of Bayreuth45
Petra MeyerInvestor at Golden SeedsMichael SteibPartner at Melitas Ventures LlcTobias SeikelCo-Founder & General Partner at Planet A VenturesChristoph JungInvestor at HV CapitalBeatrix von SchröderVenture Partner at noaChristoph OstermannVenture Partner at eCAPITAL ENTREPRENEURIAL PARTNERS
+ 39 more
Shared employers
Also worked at PassiveLogic6
Also worked at Siemens426
OttoInvestor at InvestinorCeline XiaoInvestor at DN CapitalBala SathiamurthyInvestor at IVP (Institutional Venture Partners)GiselaInvestor at Eudemian VenturesThomas MeierPartner, Head of Resilience in Energy & Resources Investments at Verve VenturesAlec GefridesTechnical Advisor at Forma Prime
+ 420 more
Also worked at Summa Equity16
Nick RoelofsVenture Partner at ScietyTommi UnkuriMember of the Board at ScietyKenneth J. BraithwaiteVenture Partner at Scout VenturesTom Even MortensenVenturist at SandwaterJennifer Lee KossFounding Partner at SpringbankKees KruythoffExternal Board Member at Nicoya
+ 10 more
Also worked at Analysys6
Dennis LeDirector, Head of Vietnam at Openspace VenturesDimitri KallinisBoard Member and Managing Partner at Axon Partners GroupDikmen EdguPartner at Axon Partners GroupRohan GhoseDirector / Private Equity Partnerships at Blue Earth Capital AGKevin SuhFounder at FinleyUmer AyubChief Risk Officer at Tnsi
